Display screen control system and electronic equipment

A technology of display screen control and display screen, which is applied in the direction of current collectors, electric vehicles, electrical components, etc., can solve the problems of reduced display quality and high cost of two independent chips, and achieve the effect of reducing cost and area

Active Publication Date: 2020-10-02
深圳市航顺芯片技术研发有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a display screen control system and electronic equipment, which can effectively solve the problems of high cost of using two independent chips and the reduction of display quality due to battery power supply

Method used

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  • Display screen control system and electronic equipment
  • Display screen control system and electronic equipment
  • Display screen control system and electronic equipment

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Embodiment Construction

[0020] The object of the present invention is to provide a display screen control system and electronic equipment, which can effectively solve the problems of high cost of using two independent chips and decrease of display quality due to battery power supply.

[0021] In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] Please also refer to figure 2 and image 3 , the display screen control system provided by the present invention includes a microcontroller 10, a display screen drive circuit 12 and a display screen power supply circuit 11 are integrated in the microcontroller 10, and the display screen power supply circuit 11 is respectivel...

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Abstract

The invention discloses a display screen control system and electronic equipment. The display screen control system comprises a microcontroller, wherein a display screen drive circuit and a display screen power supply circuit are integrated in the microcontroller, the display screen power supply circuit comprises a power supply module and a control module, the power supply module is used for providing a working voltage for a display screen through the display screen driving circuit according to an external power supply voltage, and the control module is used for adjusting the working voltage when the external power supply voltage is a battery voltage, and adjusting the display parameters of the display screen according to the external power supply voltage. According to the invention, the cost can be effectively reduced, the area of a PCB is reduced, and the display screen can obtain the optimal display contrast and brightness no matter whether a product adopts fixed voltage input or battery input.

Description

technical field [0001] The invention relates to the field of display technology, in particular to a display screen control system and electronic equipment. Background technique [0002] Segment LCD screens are widely used in various consumer electronics and industrial products because of their cheap price and low power consumption. The drive part and control part for the segment LCD screen use 2 independent chips, such as figure 1 As shown, in the production of portable products, the two chips are packaged, tested, transported, and welded separately, and the cost is high and the PCB area is also large, which has caused difficulties in the design of some portable consumer products; at the same time, for portable consumer products As far as electronic products are concerned, most of them are powered by batteries, and the battery voltage will gradually decrease during use, resulting in the same parameter configuration, the contrast and brightness of the segment LCD screen will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00G09G3/36
CPCG09G3/36H02J7/0063
Inventor 王军代丞王翔
Owner 深圳市航顺芯片技术研发有限公司
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