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DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMEN...

Docket 16/474,949, U.S. Patent Application (June 28, 2019)
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1-3-US-164749490BP1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 1-3-US-164749490BP1 (U.S. Pat. App. Jul. 17, 2019)

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120-2-US-1647494901P1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 120-2-US-1647494901P1 (U.S. Pat. App. Jun. 28, 2019)

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Applicant Arguments/Remarks Made in an Amendment

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 51-19-US-1647494901P1 (U.S. Pat. App. Jun. 28, 2019)
That is, when the light emitting device OLED displays a high brightness screen, the power supply unit 2 outputs a relatively low negative operating voltage; when the light emitting device OLED displays a low brightness screen, the power supply unit 2 outputs a relatively high negative operating voltage.
Different from the related art, the technical solutions of the present disclosure can adjust the negative operating voltage output from the power supply unit 2 to the cathode of the light emitting device OLED according to the brightness control factor.
Based on the above principle, in a case where the light emitting device OLED displays a high brightness screen, a voltage control signal is output by the source driving unit 1 to the power supply unit 2 to control the power supply unit 2 to output a relatively low negative operating voltage (having a relatively large absolute value) to the cathode of the light emitting device OLED, so that the display brightness of the light emitting device OLED is further increased.
In a case where the light emitting device OLED displays a low brightness screen, a voltage control signal is output by the source driving unit 1 to the power supply unit 2 to control the power supply unit 2 to output a relatively high negative operating voltage (having a relatively small absolute value) to the cathode of the light emitting device OLED, so that the display brightness of the light emitting device OLED is further decreased.
In the present disclosure, other implementation may also be adopted to achieve adjustment of the output negative operating voltage according to the gray scale control signal.
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112-1-US-1647494901P1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 112-1-US-1647494901P1 (U.S. Pat. App. Jun. 28, 2019)

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1-23-US-1647494903P1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 1-23-US-1647494903P1 (U.S. Pat. App. Jun. 28, 2019)

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1-4-US-1647494901P1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 1-4-US-1647494901P1 (U.S. Pat. App. Jun. 28, 2019)

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74-7-US-164749490HP1

Document DISPLAY DRIVER MODULE, DISPLAY APPARATUS, AND VOLTAGE ADJUSTMENT METHOD, 16/474,949, No. 74-7-US-164749490HP1 (U.S. Pat. App. Dec. 19, 2019)

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