(12) United States Patent
`Moriyama
`
`(10) Patent N0.:
`
`(45) Date of Patent:
`
`US 6,624,801 B2
`Sep. 23, 2003
`
`US006624801B2
`
`(54) DISPLAY APPARATUS AND PORTABLE
`ELECTRONIC APPARATUS THAT CAN
`REDUCE CONSUMPTIVE POWER, AND
`METHOD OF DRIVING DISPLAY
`APPARATUS
`
`(75)
`
`Inventor: Hiroaki Moriyama, Tokyo (JP)
`
`(73) Assignee: NEC LCD Technologies, Ltd.,
`Kanagawa (JP)
`
`( * ) Notice:
`
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 207 days.
`
`(21) Appl. No.: 09/791,803
`
`(22)
`
`Filed:
`
`Feb. 26, 2001
`
`(65)
`
`Prior Publication Data
`
`US 2001/0017611 A1 Aug. 30, 2001
`
`(30)
`
`Foreign Application Priority Data
`
`Feb. 28, 2000
`
`(JP)
`
`..................................... .. 2000/051706
`
`Int. Cl.7 ................................................ .. G09G 3/36
`(51)
`
`. . . . . . . . . . . . . .
`(52) U.S. Cl.
`. . . . .. 345/100; 345/103
`(58) Field of Search ............................... .. 345/100, 103,
`345/94, 208, 99, 87, 92, 90, 93, 67, 98
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`........... .. 345/103
`5/1998 Shimizu et al.
`5,754,160 A *
`. . . . .. 345/102
`5,844,540 A * 12/1998 Terasaki
`. . . . .
`. . . . . .. 345/92
`5,923,311 A *
`7/1999 Edwards . . . . . . . . .
`345/100
`6,437,767 B1 *
`8/2002 Cairns et al.
`6,466,193 B1 * 10/2002 Anai
`......................... .. 345/99
`
`FOREIGN PATENT DOCUMENTS
`
`EP
`EP
`EP
`
`0 607 778 A1
`0 852 371 A1
`0 974 952 A1
`
`7/1994
`7/1998
`1/2000
`
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`JP
`NL
`W0
`
`63—243921
`6—95621
`7—152340
`7—281632
`9-5789
`11—184434
`11—271709
`11—311980
`11—311981
`2001—202053
`1002584
`WO 97/22036
`
`10/1988
`4/1994
`6/1995
`10/1995
`1/1997
`7/1999
`10/1999
`11/1999
`11/1999
`7/2001
`3/1999
`6/1997
`
`OTHER PUBLICATIONS
`
`NEC Data Sheet MOS Integrated Circuit yPD16654, Doc.
`No. S11647EJ1VODS00 (1st edition), 1998, pp. 1-16
`(XP—002191258).
`
`* cited by examiner
`
`Primary Examiner—Vij ay Shankar
`Assistant Examiner—Nitin Patel
`
`(74) Attorney, Agent, or Firm—Young & Thompson
`
`(57)
`
`ABSTRACT
`
`A display apparatus includes a plurality of scanning lines to
`which a plurality of scanning signals are inputted, respec-
`tively and a plurality of signal lines to which a plurality of
`display signals are inputted, respectively and a plurality of
`capacitance sections respectively provided through a plural-
`ity of switching elements at a plurality of intersections of the
`plurality of scanning lines and the plurality of signal lines,
`and a display section including the plurality of capacitance
`sections. The display section is divided into first and second
`display regions by a virtual line parallel to at least one of the
`plurality of scanning lines. The plurality of scanning signals
`are inputted at first intervals to a first group of the scanning
`lines corresponding to the first display region of the plurality
`of scanning lines. The plurality of scanning signals are
`inputted at second intervals different from the first intervals
`to a second group of the scanning lines corresponding to the
`second display region of the plurality of scanning lines.
`
`18 Claims, 13 Drawing Sheets
`
`30
`
`
`
`31
`
`32
`
`33
`
`SHIFTREGISTER
`
`50
`
`SECOND DISPLAY REGION
`
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 1 of 13
`
`US 6,624,801 B2
`
`Fig.1A
`
`S1
`
`S2
`
`' ' '
`
`' "
`
`COM
`
`G2
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`Gn
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`Gn+1
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 2 of 13
`
`US 6,624,801 B2
`
`
`
`
`
`FIRSTFRAMEFTSECONDFRAMEFTTHIRDFRAMEFTFOURTHFRAMEFT
`
`
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`Fig.2C
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`Fig.2D
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`Fig2E
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`Fig.2F
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 3 of 13
`
`US 6,624,801 B2
`
`
`
`
`
`THIRDFRAMEFTFOURTHFRAMEFT
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 4 of 13
`
`US 6,624,801 B2
`
`Fig.4
`
`30
`
`
`
`FIRST DISPLAY REGION
`
`SHIFTREGISTER
` 40
`
`SECOND DISPLAY REGION
`
`32
`
`SHIFT PULSE IS TRANSFERRED
`
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 5 of 13
`
`US 6,624,801 B2
`
`30
`
` 32
`SHIFTREGISTER
`
`
`SECOND DISPLAY REG I ON
`
`33
`
`50
`
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 6 of 13
`
`US 6,624,801 B2
`
`Fig.7
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`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 7 of 13
`
`US 6,624,801 B2
`
`Fig.8
`
`
`
`L I QU I D CRYSTAL
`CAPAC I TY
`
`ACCUMULAT I ON
`CAPAC I TY
`
`EQUIVALENT CIRCUIT
`
`
`
`EQUIVALENT CIRCUIT AT THE OFF
`STATE OF THE TFT
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`Sep 23, 2003
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`

`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 11 of 13
`
`US 6,624,801 B2
`
`Fig.13
`
`TO THE LCD PANEL
`
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`
`U.S. Patent
`
`Sep. 23, 2003
`
`Sheet 12 of 13
`
`US 6,624,801 B2
`
`Fig.14
`
`“r.
`
`TO THE LCD PANEL
`
`72
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`73
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`

`
`US 6,624,801 B2
`
`5
`
`1
`DISPLAY APPARATUS AND PORTABLE
`ELECTRONIC APPARATUS THAT CAN
`REDUCE CONSUMPTIVE POWER, AND
`METHOD OF DRIVING DISPLAY
`APPARATUS
`
`2
`using an entire region of a liquid crystal display panel
`targeted for a display apparatus, a common electrode in
`using a partial region of the liquid crystal display panel
`having an effective peak value smaller than a drive voltage
`to a segment electrode, and a power supply circuit for
`switching and outputting the drive voltage to the segment
`electrode through an operation of a switch. It drives by
`switching between the segment electrode and the common
`BACKGROUND OF THE INVENTION
`electrode corresponding to the partial region or the entire
`.
`.
`10 region of the liquid crystal display panel, in accordance with
`1' Fleld of the Inventlon
`the drive Voltage from the power Supply Circuit.
`The present invention relates to a display apparatus and a
`Japanese Laid Open Patent Application (JP_A_HeiSei
`method of driving a display apparatus. More particularly, the
`11611980) (Conventional Techni
`4
`.
`:
`present invention relates to a liquid crystal display and a
`que
`) discloses the fol
`.
`.
`.
`.
`.
`lowing liquid crystal display controller. A drive bias selec-
`method of dnvmg a hquld Crystal d1Sp1ay'
`15 tion register and a drive duty selection register that can be
`2~ Deseriptien Or tne Related Art
`rewritten from a micro processor are mounted within the
`Conventionally, an STN (Super-Twist-Nematic) type of a
`liquid crystal display controller. When it is switched from an
`liquid crystal display panel has been used in a display
`entire indication on the liquid crystal display panel to only
`apparatus of a portable electronic apparatus such as a
`some lines, setting values of the drive duty selection register
`portable telephone, a mobile terminal and a pager. On the
`contrary, even the portable electronic apparatus recently 20 and the drive bias selection register are changed to selec-
`begins to employ an active matrix drive method represented
`tively carry out the indication on a part of the liquid crystal
`by a TFT (Thin-Film-Transistor) method suitable for a
`display panel at a low voltage drive and a low duty drive.
`display apparatus Or a e0l0r dynarnie pieture-
`Japanese Laid Open Patent Application (JP-A-Heisei,
`The portable electronic apparatus requires that a con-
`11-311981) (Conventional Technique 5) discloses the fol-
`sumptive power is especially reduced since a large restric- 25 lowing method of driving a liquid crystal display. The
`tion is put on a battery capacity. The portable electronic
`method of driving a liquid crystal display has a liquid crystal
`apparatus does not require that an indication is carried out on
`display panel having a displayable region generated in
`a whole surface of a liquid crystal display panel,
`for
`accordance with a plurality of scanning lines and aplurality
`example,
`in a Wait
`time.
`It
`is Sllfficient
`to Carry Out a
`of si nal lines crossin each other and has a function of
`minimum indication such as a reception level, a battery 30 makitreig only a part ofgthe displayable region at a display
`remaining amount, a date and hour and the like. Thus, it may
`state and makin the other re ions at a non-dis la
`state. In
`be considered to reduce the consumptive power at a section
`this method, a piriod is establgished for controlltiengya display
`whichl dioesl not require a usual indication on the liquid
`gradation of a non-display region to attain the non-display
`crysta
`1sp ay pane .
`state.
`Conventionally, in a passive matrix drive type of a por- 35 WO 97/22036 (Japanese Patent Application No. (Heisei)
`table electronic apparatus represented by the STN type, the
`9-518751 Conventional Techni ue 6 discloses a method
`technique for reducing the consumptive power at the section
`of driving)a(display apparatus. The: nun)1ber of voltage levels
`which does not require the usual indication on the liquid
`of scanning lines at a time of a non-selection is only one. If
`crystal display panel is disclosed in the following conven- 40 an indication through a display element is not carried out, a
`tional techniques 1 to 5.
`voltage level of a data line corresponding to the display
`Japanese Laid Open Patent Application (JP-A-Showa,
`element
`is used as a voltage level at
`the time of the
`63-243921) (Conventional Technique 1) discloses the fol-
`I10I1-S€l€Cti0I1 Of the scanning line.
`l0WiI1g liquid crystal display. A signal €l€Ctf0d€
`Of a II1atfiX
`The above-mentioned conventional techniques relate to
`liquid crystal panel composed of a scan electrode and a 45 the passive matrix drive method. Since its driving method is
`signal electrode is divided into two regions. This is designed
`different, it can not be applied in its original state to the
`as follows. That is, it is driven such that in a period of a
`active inatrix driving inethod,
`Seteettve Seah Wtthth ehe regteh th the two reg1ehS> the ether
`It is desirable to attain a low consumptive power manner
`regleh has a Voltage heh'appheat1eh pened ahd a hen‘
`optimal for the driving method of the active matrix drive
`selective voltage application period at a predetermined 50 type.
`cycle. Also, the same voltage as the signal voltage applied to
`SUMMARY OF THE INVENTION
`the signal electrode of the selective scan region is applied to
`.
`.
`.
`.
`.
`.
`the signal electrode of the region on which the selective scan
`The present invention 15 aeeemphshed in View of the
`is not performed, in the non-selective voltage application
`55 above mentioned problems.
`period.
`Therefore, an object of the present invention is to provide
`Japanese Laid Open patent Application (]P_A_HeiSei,
`a display apparatus tnat ean reduee a e0nsurnptiVe p0Wer-
`6-95621) (Conventional Technique 2) discloses the follow-
`Another object of the present invention is to provide a
`ing liquid crystal display controller. The liquid crystal dis-
`display apparatus of an active matrix drive type represented
`play controller for controlling a display apparatus of a liquid
`crystal panel has a driver for dividing a display region of the 60 by a TFT method that can reduce a consumptive power.
`liduid erystal panel int0 a plurality Or partial display regi0ns>
`Still another object of the present invention is to provide
`and rnaking a partial display regi0n seleeted by an eXternai
`a liquid crystal display apparatus that does not suffer from a
`e0ntr0l signal at a driVe state and rnaking tne Otner partial
`bad influence caused by an application of a direct current
`display regi0ns at a n0n'driVe state-
`voltage and can reduce a consumptive power. Still another
`Japanese Laid Open Patent Application (JP-A-Heisei, 65 object of the present
`invention is to provide a display
`apparatus of an active matrix drive type represented by a
`7-281632) (Conventional Technique 3) discloses the follow-
`TFT method that does not suffer from a bad influence caused
`ing liquid crystal display. This has a common electrode in
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`US 6,624,801 B2
`
`5
`
`4
`3
`a first input signal one by one; and a second shift resister
`by an application of a direct current voltage and can reduce
`supplying the plurality of scanning signals to the second
`a consumptive power.
`group of the scanning lines by transferring a second input
`In order to achieve an aspect of the present invention, a
`signal one by one.
`display apparatus, includes: a plurality of scanning lines to
`further
`the display apparatus,
`Further in this case,
`which a plurality of scanning signals are inputted, respec-
`includes: a shift resister supplying the plurality of scanning
`tively; a plurality of signal lines to which a plurality of
`lines to the plurality of scanning signals by transferring an
`display signals are inputted, respectively; a plurality of
`input signal one by one, and wherein the shift resister has a
`capacitance sections respectively provided through a plural-
`switch to stop transferring the input signal such that the
`ity of switching elements at a plurality of intersections of the
`10 plurality of scanning signals are supplied to the first group
`plurality of scanning lines and the plurality of signal lines;
`of the scanning lines and the plurality of scanning signals are
`and a display section including the plurality of capacitance
`not supplied to the second group of the scanning lines.
`sections, and wherein the display section is divided into first
`In this case, the input signal is transferred in a predeter-
`3hd seeehd disPi3Y iegiehs by 3 Viitii3i iihe P3i3iiei t0 3t
`mined direction in the shift resister, and wherein a first input
`ie3st 0he 0i the Piiii3iitY Oi se3hhihg iihesa 3hd Wheieih the
`Phii3iitY Oi se3hhihg sigh3is 3ie ihpiitted 3t hist ihteiV3is t0 15 section inputting the input signal is provided in the most
`3 hist gieiip 0i the se3hhihg iihes eeiiespehdihg t0 the hist
`upstream in the predetermined direction of the first group of
`disPi3Y iegieh 0i the Piiii3iitY Oi se3hhihg iihesa 3hd Wheieih
`the scanning lines in the shift resister, and wherein a second
`the Piiii3iitY Oi se3hhihg sigh3is 3ie ihpiitted 3t seC0hd
`input section inputting the input signal is provided in the
`ihteiV3is diffeieht iieih the hist ihteiV3is t0 3 seeehd gi0iiP
`most upstream in the predetermined direction of the second
`0i the se3hhihg iihes eeiiespehdihg t0 the seeehd disPi3Y 20 group of the scanning lines in the shift resister.
`region of the plurality of Scanning lines:
`Also in this case, each of the first and second intervals
`the
`In
`CaSe, the first interVaiS are Seieeted Silen
`corresponds to a
`of a period of a frarne when a
`Phii3iitY Oi e3P3eit3hee seetiehs 0i the hist disPi3Y iegieh
`single image is displayed in the display section, and wherein
`are driven at alternating currents, and wherein the second
`the
`apparatus further Comprises; a Control Section
`ihteiV3is 3ie seieeted siieh th3t the Phii3iitY Oi e3P3eit3hee 25 detecting the number of the frames to switch between an ON
`seetiehs 0i the seeehd disPi3Y iegieh 3ie diiVeh 3t 3iteih3t'
`state and an OFF state of the switch based on the detected
`ing currents.
`result.
`
`In order to achieve another aspect of the present
`Aise ih this e3se> Wheh the Phii3iitY Oi se3hhihg sigh3is
`3ie ihpiitted t0 the seeehd group 0i the se3hhihg iihesa the 30 invention, a display apparatus, includes: a plurality of scan-
`Phii3iitY Oi disPi3Y sigh3is ihpiitted t0 the Piiii3iitY Oi
`ning lines to which a plurality of scanning signals are
`e3P3eit3hee seetiehs 0i the seeehd disPi3Y iegieh h3Ve
`inputted, respectively; a plurality of signal lines to which a
`amplitudes substantially identical with each other.
`plurality of display Signals are inputted’ respectively; a
`Further in this case, when the plurality Of scanning signals
`plurality of capacitance sections respectively provided
`are not inputted to the second group of the scanning lines 35 through a plurality of switching elements at a plurality of
`based on a difference between the first and second intervals,
`intersections of the plurality of scanning lines and the
`a plurality Of speCihC display signals haVing amplitudes
`plurality of signal lines; and a display section including the
`substantially identical With the amplitudes Of the plurality Of
`plurality of capacitance sections, and wherein the display
`display signals inputted t0 the plurality Of CapaCitanCe
`section is divided into first, second and third display regions
`sections of the second display region When the plurality of 40 by two virtual lines parallel to at least one of the plurality of
`sCanning signals are inputted t0 the seC0nd group Of the
`scanning lines, and wherein the plurality of scanning signals
`sCanning lines, are Outputted t0 the plurality Of signal lines
`are inputted at first intervals to a first group of the scanning
`at the same tirnings as When the plurality Of sCanning signals
`lines corresponding to the first display region of the plurality
`are inputted t0 the seC0nd group Of the sCanning lines.
`of scanning lines, and wherein the plurality of scanning
`In this case, the amplitudes of the plurality of specific 45 signals are inputted at second intervals to a second group of
`display signals are substantially zero.
`the scanning lines corresponding to the second display
`Also in this case, when the plurality of scanning signals
`region of the plurality of scanning lines, and wherein the
`are not inputted to the second group of the scanning lines
`plurality Of scanning signals are inputted at third intervals tO
`based on a difference between the first and second intervals,
`a third group Of the sCanning lines Corresponding t0 the third
`potentials of the plurality of signal lines are dropped at the 50 display region of the plurality of scanning lines, and wherein
`sarne tirnings as when the plurality of scanning signals are
`at least one Of the first, second and third intervals is different
`inputted to the second group of the scanning lines.
`from a remaining one in a case that the at least one is
`Further in this case, when the plurality of scanning signals
`Withdi3Wh iieih the hista seeehd 3hd thiid ihteiV3is~
`are not inputted to the second group of the scanning lines
`In this case,
`the switching element
`is one of a TFT
`based on a difference between the first and second intervals, 55 (Thin-Filrn-Transistor) type and an MIM (Metal-lnsulat0r-
`the plurality of signal lines are in floating states at the same
`Metal) type.
`timings as when the plurality of scanning signals are input-
`Also in this case, the display apparatus is provided on a
`ted to the second group of the scanning lines.
`single substrate.
`In this case, when the plurality of scanning signals are not
`In order to achieve still another aspect of the present
`inputted t0 the seC0nd group Of the sCanning lines based On 60 invention, a portable electronic apparatus having a display
`a difference between the first and second intervals, potentials
`apparatus which includes; a plurality of scanning lines to
`Of the second group Of the scanning lines are dropped at the
`which a plurality of scanning signals are inputted, respec-
`same timings as when the plurality of scanning signals are
`tively; a plurality of signal lines to which a plurality of
`inputted t0 the seC0nd group Of the sCanning lines.
`display signals are inputted, respectively; a plurality of
`Also in this case, the display apparatus, further includes:
`65 capacitance sections respectively provided through a plural-
`a first shift resister supplying the plurality of scanning
`ity of switching elements at a plurality of intersections of the
`signals to the first group of the scanning lines by transferring
`plurality of scanning lines and the plurality of signal lines;
`
`SEC v. Surpass Tech, |PR2015—OO887
`SAMSUNG EX. 1024 — 16/26
`
`SEC v. Surpass Tech, IPR2015-00887
`SAMSUNG EX. 1024 - 16/26
`
`

`
`US 6,624,801 B2
`
`6
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`5
`and a display section including the plurality of capacitance
`sections, and wherein the display section is divided into first
`FIG. 1A is a circuit diagram showing a schematic circuit
`and second display regions by a virtual line parallel to at
`configuration of a typical TFT type LCD panel;
`least one of the plurality of scanning lines, and wherein the
`FIG. 1B is a View when the LCD panel of FIG. 1A is
`t
`t
`t
`t
`plurality of scanning signals are inputted at first intervals to 5
`dlvlded 11110 1W0 599110115;
`a first group of the scanning lines corresponding to the first
`FIG. 2A is a timing chart showing a voltage of a display
`display region of the plurality of scanning lines, and wherein
`signal sent to a signal line in a method of driving a typical
`the plurality of scanning signals are inputted at second
`TFT type LCD panel;
`intervals different from the first intervals to a second group
`FIG. 2B is a timing chart showing an opposite common
`of the scanning lines corresponding to the second display 10
`voltage commonly sent to all pixel capacities in a method of
`19g1O11 O1 1119 1111113111Y O1 5931111111g 111195~
`driving a typical TFT type LCD panel;
`In order to achieve yet still another aspect of the present
`FIG. 2C is a timing chart showing a voltage of a scanning
`111V91111011, 3 1111V111g 1119111O11 O1 3 11151113Y 311113131115, 111911111953
`signal VG1 sent to a scanning line G1 in a method of driving
`(3)
`111OV111111g 3 1111113111Y O1 5931111111g 111195
`1O W111911 3
`plurality of scanning signals are inputted, respectively; (b) 15 a typical TFT type LCD panel;
`pmviding. a plurality. of Signal lines 1.0 which a p1ur1.‘h.1y of
`FIG. 2D is a timing chart showing a voltage of a scanning
`‘11SP13Y Slgnals are tmpuned’ rffspectlvelyi
`P1°V1‘111}g a
`signal VG2 sent to a scanning line G2 in a method of driving
`plurality of capacitance sections respectively provided
`atypiCa1TFTtype LCD panel;
`.
`.
`through a plurality of switching elements at a plurality of
`.
`.
`.
`.
`.
`.
`.
`.
`FIG. 2E is a timing chart showing a voltage of a scanning
`.
`intersections of the plurality of scanning lines and the
`.
`.
`.
`.
`.
`piuranty or Signai nnest
`(d) providing a dispiay Section
`signal VGn sent to a scanning line Gn in a method of driving
`.
`.
`.
`’
`.
`.
`t
`.
`.
`.
`a typical TFT type LCD panel;
`including the plurality of capacitance sections, (e) dividing
`.
`t
`t
`t
`t
`the display section into first and second display regions by
`. FIG 2F 15 3 nmmg 911311 5hOW111g 3 V0113?’ of 3 Scanmng
`a virtual line parallel to at least one of the plurality of
`51g1131VG11'1'1 591111O 3 5931111111g 11119 G11+1 111 3 1119111O11 O1
`scanning lines;
`inputting the plurality of scanning signals 25 1111V111g 3 1Y111931 TFT 1Y119 LCD 1131191;
`at first
`intervals to a first group of the scanning lines
`FIG. 3A is a timing chart showing a voltage of a display
`corresponding to the first display region of the plurality of
`signal sent to a signal line in a method of driving a TFT type
`scanning lines; and (g) inputting the plurality of scanning
`LCD panel of an embodiment of a display apparatus of the
`signals at second intervals different from the first intervals to
`present invention;
`3 599O1111 g1O1111 O1 1119 5931111111g 111195 9O119511O1111111g 1O 1119 30
`FIG. 3B is a timing chart showing an opposite common
`599O1111 111511133’ 19g1O11 O1 1119 1111113111Y O1 5931111111g 111195-
`voltage commonly sent to all pixel capacities in a method of
`In this case, the first intervals are selected such that the
`driving a TFT type LCD panel of an embodiment of a
`plurality of capacitance sections of the first display region
`display apparatus of the present invention;
`are driven at alternating currents, and wherein the second
`FIG. 3C is a timing chart showing a voltage of a scanning
`intervals are selected such that the plurality of capacitance 35 signal VG1 sent to a scanning line G1 in a method of driving
`sections of the second display region are driven at alternat-
`a TFT type LCD panel of an embodiment of a display
`ing Currents.
`apparatus of the present invention;
`A150 111 11115 9359, W11911 1119 1111113111Y O1 5931111111g 51g11315
`FIG. 3D is a timing chart showing a voltage of a scanning
`are inputted to the second group of the scanning lines, the 40 signal VG2 sent to a scanning line G2 in a method of driving
`plurality of display signals inputted to the plurality of
`a TFT type LCD panel of an embodiment of a display
`capacitance sections of ‘the second display region have
`apparatus of the present invention;
`amplitudes substantially identical with each other.
`FIG. 3E is a timing Chart showing a Voltage of a scanning
`F11111191 111 11115 9359, W11911 1119 1111113111Y O1 5931111111g 51g11315
`signal VGn sent to a scanning line Gn in a method of driving
`are not inputted to the second group of the scanning lines 45 a TFT type LCD panel of an embodiment of a display
`based on a difference between the first and second intervals,
`apparatus of the present invention;
`3 11111131113’ O1 511991119 111511133’ 51g11315 113V111g 311111111111195
`FIG. 3F is a timing chart showing a voltage of a scanning
`substantially identical with the amplitudes of the plurality of
`signal VGn_t_1 sent to a scanning line Gn_t_1 in a method of
`111511133’ 51g11315 111111111911
`1O 1119
`1111113111Y O1 9311391131199
`driving a TFT type LCD panel of an embodiment of a
`sections ofrthe second. display region when the plurality of so display apparatus of the present invention;
`Scannmg 1S.1gna1S are mputtgd tohthel Secfnd %r0.up ?f1.1he
`FIG. 4 is a view showing a connection example between
`Scanmng lnfisiare Output“:
`10 1 e p.ura my 0 Slgna. mes
`a shift register and an LCD panel used in this embodiment;
`at the same timings as when the plurality of scanning signals
`.
`.
`.
`.
`.
`.
`.
`.
`.
`FIG. 5 is a view showing a configuration of a shift register
`are inputted to the second group of the scanning lines.
`in this embodiment.
`.
`.
`The display apparatus of the present invention is based on 55
`.
`.
`’
`.
`.
`.
`.
`FIG. 6 is a view showing a connection example between
`.
`the active matrix drive method, and has a plurality of regions
`.
`.
`.
`.
`.
`a shift register and a three-division LCD panel;
`h
`.
`.
`.
`.
`aving different refresh rates (a display rate, a write fre-
`.
`t
`t
`t
`t
`.
`dneney and an gate_on period) on a single screen.
`fFIG. 761s a view showing a configuration of a shift register
`The active method is used to control the voltages applied
`0 FIG’
`f
`t
`t
`t
`t
`t
`t
`to a scanning line of a second display region, a signal line,
`FIG‘ 8 15 a Vlew Showmg a CHCH11 Configuranon of a plxel
`an opposite common electrode and a liquid crystal. Thus, it
`P0111011 of 3 TFT.1ype LC]? a1 an Ideal 51316;.
`r
`r
`is possible to reduce a consumptive power and also possible
`F1G- 9 15 3 V19W 511OW111g 311 3911131 911111V319111 91191111
`to carry out a picture display (a middle between a static
`W11911 TFT 15 31 311 011-51319;
`picture and a first display region) in which a picture change
`FIG. 10A is a timing chart showing a voltage of a display
`is smaller than that of a d namic icture of the first dis la
`65 si nal sent to a si nal line in another method of drivin a
`Y
`11
`11 Y
`g
`g
`g
`TFT type LCD panel of an embodiment of a display appa-
`region (Since an accumulation voltage is dropped with an
`ratus of the present invention;
`elapse of a time, a contrast of a picture may be dropped).
`
`20
`
`60
`
`SEC v. Surpass Tech, |PR2015—OO887
`SAMSUNG EX. 1024 — 17/26
`
`SEC v. Surpass Tech, IPR2015-00887
`SAMSUNG EX. 1024 - 17/26
`
`

`
`US 6,624,801 B2
`
`5
`
`7
`8
`FIG. 12F is a timing chart showing a voltage of a scanning
`FIG. 10B is a timing chart showing an opposite common
`signal VGn+1 sent to a scanning line Gn+1 in yet still
`voltage commonly sent to all pixel capacities in another
`another method of driving a TFT type LCD panel of an
`method of driving a TFT type LCD panel of an embodiment
`embodiment of a display apparatus of the present invention;
`of a display apparatus of the present invention;
`FIG. 13 is aview showing a configuration of another shift
`FIG. 10C is a timing chart showing a voltage of a
`register in this embodiment;
`scanning signal VG1 sent to a scanning line G1 in another
`FIG. 14 is a view showing a configuration of still another
`In€tl1OCl Of driving a TFT type LCD panel Of an €InbOdiIn€nt
`shift register in this embodiment;
`of a display apparatus of the present invention;
`FIG. 15A is a timing chart showing a voltage of a display
`FIG. 10D is a timing chart showing a voltage of a
`scanning signal VG2 sent to a scanning line G2 in another 10 signal sent to a signal line in yet still another method of
`method of driving a TFT type LCD panel of an embodiment
`driving a TFT type LCD panel of an embodiment of a
`of a display apparatus of the present invention;
`display apparatus of the present invention;
`FIG. 10E is a timing chart showing a voltage of a scanning
`FIG. 15B is a timing chart showing an opposite common
`signal VGn sent to a scanning line Gn in another method of 15 Voltage commonly sent to all pixel capacities in yet still
`driving a TFT type LCD panel of an embodiment of a
`another method of driving a TFT type LCD panel of an
`display apparatus of the present invention;
`embodiment of a display apparatus of the present invention;
`FIG. 10F is a timing chart showing avoltage of ascanning
`FIG. 15C is a timing chart showing a voltage of a
`signal VGn+1 sent
`to a scanning line Gn+1 in another
`scanning signal VG1 sent to a scanning line G1 in yet still
`method of driving aTFT type LCD panel of an embodiment 20 another method of driving a TFT type LCD panel of an
`of a display apparatus of the present invention;
`embodiment of a display apparatus of the present invention;
`FIG. 11A is a timing chart showing a voltage of a display
`FIG. 15D iS a timing Chart showing a Voltage Of a
`signal sent to a signal line in still another method of driving
`SCanning Signal VG2 Sent t0 a SCanning line G2 in yet Still
`a TFT type LCD panel of an embodiment of a display
`another method of driving a TFT type LCD panel of an
`apparatus of the present invention;
`25 embodimentof a. display apparatus of the present invention;
`FIG. 11B is a timing chart showing an opposite common
`. FIG 15E 15 3t1II11I1g eI13ft §hO‘Y1I1g 3 VOIt3ge Of 3 5e3I1I11I1g
`voltage commonly sent to all pixel capacities in still another
`S1gI13I VGI1 Seflt tO 3 5e3I1I11I1g I1I1e GI1 In yet 5tIII 3I1OtI1ef
`method of driving a TFT type LCD panel of an embodiment
`II1etI1Od Of df1V1I1g 3 TFT tYPe LCD P3I1eI Of 3“ eII1OOdIII1eI1t
`of a display apparatus of the present invention;
`Of 3 d15PI3Y 3PP3f3tu5 Of the Pfeseflt 1I1VeI1t1On; 3nd
`FIG. 11C is a timing chart showing a voltage of a scanning 30
`. FIG 15F I5 3 tIII1II1g eI13ft 5hOWIng 3VOIt3ge