(12) United States Patent
`(12) United States Patent
`Shimizu et al.
`Shimizu et al.
`
`(10) Patent N0.:
`(10) Patent No.:
`(45) Date of Patent:
`(45) Date of Patent:
`
`US 7,915,631 B2
`US 7,915,631 B2
`Mar. 29, 2011
`Mar. 29, 2011
`
`USOO79 l 563 1B2
`US007.915631B2
`
`(54)
`LIGHT EMITTING DEVICE AND DISPLAY
`(54) LIGHT EMITTING DEVICE AND DISPLAY
`(75)
`Yoshinori Shimizu, Tokushima (JP);
`Inventors:
`(75) Inventors: Yoshinori Shimizu, Tokushima (JP);
`Kensho Sakano, Anan (JP); Yasunobu
`Kensho Sakano, Anan (JP); Yasunobu
`Noguchi, Tokushima (JP); Toshio
`Noguchi, Tokushima (JP); Toshio
`Moriguchi, Anan (JP)
`Moriguchi, Anan (JP)
`(73)
`(73) Assignee: Nichia Corporation, Anan-shi (JP)
`Assignee: Nichia Corporation, Anan-shi (JP)
`( * )
`(*) Notice:
`Subject to any disclaimer, the term of this
`Notice:
`Subject to any disclaimer, the term of this
`patent is extended or adjusted under 35
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 90 days.
`U.S.C. 154(b) by 90 days.
`Appl. No.: 12/543,618
`(21)
`(21) Appl. No.: 12/548,618
`(22)
`Filed:
`Aug. 27, 2009
`(22) Filed:
`Aug. 27, 2009
`(65)
`Prior Publication Data
`(65)
`Prior Publication Data
`US 2010/0006819 A1
`Jan. 14, 2010
`|US 2010/00068.19 A1
`Jan. 14, 2010
`
`Related U.S. Application Data
`Related U.S. Application Data
`(62)
`(62) Division of application No. 12/028,062, filed on Feb.
`Division of application No. 12/028,062, filed on Feb.
`8, 2008, now Pat. No. 7,682,848, which is a division of
`8, 2008, now Pat. No. 7,682,848, which is a division of
`application No. 10/609,402, filed on Jul. 1, 2003, now
`application No. 10/609,402, filed on Jul. 1, 2003, now
`Pat. No. 7,362,048, which is a division of application
`Pat. No. 7,362,048, wl1ich is a division of application
`No. 09/458,024, filed on Dec. 10, 1999, now Pat. No.
`No. 09/458,024, filed on Dec. 10, 1999, now Pat. No.
`6,614,179, which is a division of application No.
`6,614,179, which is a division of application No.
`09/300,315, filed on Apr. 28, 1999, now Pat. No.
`09/300,315, filed on Apr. 28, 1999, now Pat. No.
`6,069,440, which is a division of application No.
`6,069,440, which is a division of application No.
`08/902,725, filed on Jul. 29, 1997, now Pat. No.
`08/902,725, filed on Jul. 29, 1997, now Pat. No.
`5,998,925.
`5,998,925.
`Foreign Application Priority Data
`Foreign Application Priority Data
`
`(30)
`(30)
`Jul
`.29, 1996
`(JP) .................................. .. P 8-198585
`Jul. 29, 1996 (JP) .................................... P 8-198585
`Sep.17,1996
`(JP)
`P8-244339
`Sep. 17, 1996 (JP) .................................... P 8-244339
`(JP) .................................... P 8-245381
`Sep. 18, 1996
`Sep. 18, 1996 (JP) .................................... P 8-245381
`Dec. 27, 1996
`(JP) .................................. .. P 8-359004
`Dec. 27, 1996 (JP) .................................... P 8-359004
`Mar. 31, 1997
`(JP) .................................. .. P 9-081010
`Mar. 31, 1997
`(JP) .................................... P 9–081010
`(51)
`Int. Cl.
`(51) Int. Cl.
`H01L 29/22
`H0 IL 29/22
`
`(2006.01)
`(2006.01)
`
`(52) U.S. Cl.
`.... .. 257/98; 257/99; 257/100; 257/E33.061
`(52) U.S. Cl. ...... 257/98: 257/99: 257/100; 257/E33,061
`(58) Field of Classification Search .................. .. 257/98,
`(58) Field of Classification Search .................... 257/98,
`257/13, 99, 100,101,E33.061
`257/13, 99, 100, 101, E33,061
`See application file for complete search history.
`See application file for complete search history.
`
`(56)
`(56)
`
`References Cited
`References Cited
`
`DE
`DE
`
`U.S. PATENT DOCUMENTS
`|U.S. PATENT DOCUMENTS
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`Hide et al., “White light from InCaM/conjugated polymer hybrid
`Hide et al., “White light from InGaN/conjugated polymer hybrid
`light-emitting diodes.” Appl. Phys. Lett., vol. 70 (20), May 19, 1997,
`light-emitting diodes,” Appl. Phys. Lett., vol. 70 (20), May 19, 1997,
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`(Continued)
`(Continued)
`Primary Examiner – Michael Trinh
`Primary Examiner — Michael Trinh
`(74) Attorney, Agent, or Firm – Birch Stewart Kolasch &
`(74) Attorney, Agent, or Firm — Birch Stewart Kolasch &
`Birch, LLP
`Birch, LLP
`ABSTRACT
`(57)
`ABSTRACT
`(57)
`A light emitting device containing a semiconductor light
`A light emitting device containing a semiconductor light
`emitting component and a phosphor, the phosphor is capable
`emitting component and a phosphor, the phosphor is capable
`of absorbing a part of light emitted by the light emitting
`of absorbing a part of light emitted by the light emitting
`component and emitting light of a wavelength different from
`component and emitting light of a wavelength different from
`that ofthe absorbed light, is provided. A straight line connect-
`that of the absorbed light, is provided. A straight line connect
`ing a point of chromaticity corresponding to a spectrum gen
`ing a point of chromaticity corresponding to a spectrum gen-
`erated by the light emitting component and a point of chro
`erated by the light emitting component and a point of cl1ro-
`maticity corresponding to a spectrum generated by the
`maticity corresponding to a spectrum generated by the
`phosphor is substantially along a black body radiation locus
`phosphor is substantially along a black body radiation locus
`in a chromaticity diagram.
`in a chromaticity diagram.
`
`14 Claims, 19 Drawing Sheets
`14 Claims, 19 Drawing Sheets
`
`
`
`199.
`
`104
`
`/
`\vi §4\\§‘§‘
`
`102A
`
`1053
`10513} 105
`
`106
`
`V/II/I///II/IIIIIII
`
`TCL 1001, Page 1
`
`

`

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`
`TCL 1001, Page 3
`
`

`

`US 7,915,631 B2
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`(U.S. Patent 7,026,756).
`Notice of Allowance and Examiner’s Comments on Allowance
`issued Feb. 11, 2009, in U.S. Appl. No. 1 1/682,014 (U.S. Patent
`7,531,960).
`Office Action issued Sep. 7, 2005, in U.S. Appl. No. 10/864,544 (U.S.
`Patent 7,126,274).
`Notice of Allowance and Examiner’s Comments on Allowance
`issued Mar. 10, 2006, in U.S. Appl. No. 10/864,544 (U.S. Patent
`7,126,274).
`Office Action issued Dec. 13, 2005, in U.S. Appl. No. 11/208,729
`(U.S. Patent 7,215,074).
`
`Notice of Allowance and Examiner’s Comments on Allowance
`issued Sep. 7, 2006, in U.S. Appl. No. 1 1/208,729 (U.S. Patent
`7,215,074).
`Office Action issued Apr. 4, 2007, in U.S. Appl. No. 11/653,275 (U.S.
`Patent 7,329,988).
`Notice of Allowance and Examiner’s Comments on Allowance
`issued Sep. 25, 2007, in U.S. Appl. No. 11/653,275 (U.S. Patent
`7,329,988).
`Office Action dated Jul. 7, 2010 for U.S. Appl. No. 12/548,614.
`Office Action dated Jun. 16, 2010 for U.S. Appl. No. 12/548,621.
`Office Action dated Nov. 10, 2010 for U.S. Appl. No. 12/575,162.
`Office Action dated Nov. 15, 2010 for U.S. Appl. No. 12/548,614.
`* cited by examiner
`
`TCL 1001, Page 4
`
`

`

`U.S. Patent
`
`Mar. 29, 2011
`
`Sheet 1 of 19
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`US 7,915,631 B2
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`TCL 1001, Page 5
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`TCL 1001, Page 6
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`

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`TCL 1001, Page 7
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`TCL 1001, Page 8
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`Mar. 29, 2011
`
`Sheet 5 of 19
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`US 7,915,631 B2
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`TCL 1001, Page 9
`
`

`

`U.S. Patent
`
`Mar. 29, 2011
`
`Sheet 6 of 19
`
`US 7,915,631 B2
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`Mar. 29, 2011
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`Mar. 29,2011
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`Sheet 7 of 19
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`US 7,915,631 B2
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`TCL 1001, Page 11
`
`

`

`U.S. Patent
`
`Mar. 29, 2011
`
`Sheet 8 of 19
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`US 7,915,631 B2
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`Fig.11
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`

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`Mar. 29, 2011
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`TCL 1001, Page 13
`
`

`

`U.S. Patent
`
`Mar. 29, 2011
`
`Sheet 10 of 19
`
`US 7,915,631 B2
`
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`Mar. 29,2011
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`Sheet 10 of 19
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`US 7,915,631 B2
`
`U.S. Patent
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`TCL 1001, Page 14
`
`

`

`U.S. Patent
`
`Mar. 29, 2011
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`Mar. 29,2011
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`Sheet 17 0119
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`US 7 915 631 B2
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`U.S. Patent
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`Mar. 29, 2011
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`Sheet 17 Of 19
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`US 7,915,631 B2
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`Mar. 29,2011
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`US 7 915 631 B2
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`TCL 1001, Page 22
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`

`

`U.S. Patent
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`Mar. 29, 2011
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`Sheet 19 of 19
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`US 7,915,631 B2
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`

`

`US 7,915,631 B2
`
`1
`LIGHT EMITTING DEVICE AND DISPLAY
`
`CROSS-REFERENCE TO RELATED
`APPLICATIONS
`
`This application is a divisional of U.S. application Ser. No.
`12/028,062 filed Feb. 8, 2008 now U.S. Pat. No. 7,682,848,
`which is a divisional of U.S. application Ser. No. 10/609,402
`filed Jul. 1, 2003, now U.S. Pat. No. 7,362,048, which is a
`divisional of U.S. application Ser. No. 09/458,024, filed Dec.
`10, 1999, now U.S. Pat. No. 6,614,179, which is a divisional
`of U.S. application Ser. No. 09/300,315, filed on Apr. 28,
`1999, now U.S.