Display panel and display apparatus using same
AssigneesHkc Corporation Limited, Chongqing Hkc Optoelectronics Technology Co., Ltd.
InventorYu-Jen CHEN
Life of this patent
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Abstract
This application relates to a display panel and a display apparatus using same. The display panel includes: a control board (C-Board); a common voltage regulating unit, connected to the C-Board, where the common voltage regulating unit includes a common voltage generation circuit, a voltage comparator, and a voltage regulator; and an active element array substrate, connected to the common voltage regulating unit and connected to the C-Board by using a signal drive circuit. According to this application, a common voltage may be automatically detected, compared, and regulated by disposing the common voltage regulating unit.
Claims18
A display panel, comprising:
- a control board (C-Board);
- a common voltage regulating unit, electrically connected to the C-Board, wherein the common voltage regulating unit comprises a common voltage generation circuit, a voltage comparator, and a voltage regulator electrically connected to each other;
- and
- an active element array substrate, electrically connected to the common voltage regulating unit, and connected to the C-Board by using a signal drive circuit, wherein
- the C-Board outputs a reference voltage to the common voltage generation circuit, the common voltage generation circuit transmits the reference voltage to the voltage comparator for record or comparison, the common voltage generation circuit is fed back and regulated by using the voltage regulator according to a comparison result of the voltage comparator, and a common voltage is inputted to the active element array substrate, so that the common voltage of the active element array substrate is maintained stable.
A display apparatus, comprising:
- a backlight module;
- and
- a display panel, comprising:
- a control board (C-Board);
- a common voltage regulating unit, electrically connected to the C-Board, wherein the common voltage regulating unit comprises a common voltage generation circuit, a voltage comparator, and a voltage regulator electrically connected to each other;
- and
- an active element array substrate, electrically connected to the common voltage regulating unit, and connected to the C-Board by using a signal drive circuit, wherein
- the C-Board outputs a reference voltage to the common voltage generation circuit, the common voltage generation circuit transmits the reference voltage to the voltage comparator for record or comparison, the common voltage generation circuit is fed back and regulated by using the voltage regulator according to a comparison result of the voltage comparator, and a common voltage is inputted to the active element array substrate, so that the common voltage of the active element array substrate is maintained stable.
Dependencies are inferred from the claim text.