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Driving device for resolving display dispersion

A driving device and display technology, applied to static indicators, cathode ray tube indicators, instruments, etc., can solve problems such as display dispersion

Inactive Publication Date: 2006-06-07
宇临科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above situation will cause the problem of dispersion in the display

Method used

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  • Driving device for resolving display dispersion
  • Driving device for resolving display dispersion
  • Driving device for resolving display dispersion

Examples

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Embodiment Construction

[0028] Please refer to image 3 as shown, image 3 Among them, A, B, and C are schematic diagrams of individual operating voltages and corresponding pixel luminances of the three-primary-color source-level driving device in a preferred embodiment of the present invention. The concept of the present invention is to provide the respective operating voltages of the three primary color source level driving devices, so as image 3 As shown in middle A, for the corresponding source driving devices of red pixels, green pixels, and blue pixels, the respective operating voltages of these source driving devices are provided, that is, the operating voltages corresponding to red pixels, green pixels, and blue pixels have their own digital encoding curve.

[0029] Such as image 3 As shown in C, in order to make the pixel luminance curves corresponding to the digital codes of each operating voltage representing the operating voltage (red pixel, green pixel, and blue pixel) be the same, ...

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Abstract

The present invention discloses a kind of display. The D / A converter has built-in transfer function and can generate different practical operation voltage or operation current to source driving devices of different primitive colors by means of the shared reference voltage source or current source. The practical voltage derived based on the transfer function makes source driving devices of different primitive colors possess relation curve between practical operation voltage and brightness approaching identical, so as to solve the problem of dispersion of different displays corresponding to source driving devices of different primitive colors.

Description

technical field [0001] The present invention relates to a driving device of a display, in particular to a power driving device capable of providing three primary color source level driving devices of the display with respective driving voltages or currents. Background technique [0002] So far, in the voltage-driven active matrix display, the design of the voltage supply for the source-level driving devices of the three primary colors of the pixels is designed to provide a single driving voltage to the source-level driving devices of the three primary colors of the pixels. However, since the three primary colors of pixels respond differently to voltages, the prior art is not suitable for the voltage supply design of the source driving device for the three primary colors. [0003] figure 1 Shown is a schematic diagram of the operating voltage of the display pixel source driving device and the corresponding pixel brightness of a single color. Generally speaking, the analog d...

Claims

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Application Information

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IPC IPC(8): G09G5/10G09G5/02
Inventor 刘昌和张堡棋黄鑫茂
Owner 宇临科技股份有限公司
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