Display panel and display device

A display panel and display device technology, applied in the direction of instruments, nonlinear optics, optics, etc., can solve problems such as inconsistent gamma values, image afterimages, etc., to avoid excessive local temperature, reduce in-plane temperature difference, and improve optical quality. performance effect

Active Publication Date: 2019-09-24
XIAMEN TIANMA MICRO ELECTRONICS
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  • Abstract
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Problems solved by technology

[0005] Considering that the temperature will affect the viscosity, elastic coefficient and dielectric constant of the liquid crystal, the large temperature difference in the plane will cause the gamma value of different positions in the plane to be inconsistent
In addition, since the concentration of impurities in the box will increase as the temperature rises, the closer to the control circuit board, the greater the chance of image sticking

Method used

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  • Display panel and display device
  • Display panel and display device
  • Display panel and display device

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Embodiment Construction

[0044] Certain terms are used, for example, in the description and claims to refer to particular components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. As mentioned throughout the specification and claims, "comprising" is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect. In addition, the term "coupled" herein includes any direct and indirect electrical coupling means. Therefore, if it is described that a first device is coupled to a second device, it means that the first device may be directly elect...

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Abstract

The invention discloses a display panel and a display device. The display panel comprises an array substrate, a color film substrate and isolation posts between the array substrate and the color film substrate, and a heat conductive film, wherein the array substrate comprises multiple scanning lines and multiple data lines, the color film substrate comprises a black matrix layer, the heat conductive film is arranged on the surface of at least one scanning line and / or at least one data line, and / or the conductive film is arranged on the surfaces of the isolation posts, and / or the heat conductive film is arranged on the surface of the black matrix layer. According to the scheme, when the display device works and accordingly the display panel becomes hot, the heat conductive film can diffuse heat of the display panel from points to planes, the function of balancing the temperature in the display panel is achieved, in-plane temperature difference of the display panel can be reduced, uniformity of the gamma curve is easily improved, the crosstalk phenomenon can be eliminated, and the optical property of the display device is effectively improved.

Description

technical field [0001] The present application relates to the field of display technology, in particular, to a display panel and a display device. Background technique [0002] With the continuous development of liquid crystal display technology, the market demand for high pixel density (HPPI, high pixels perinch) products is becoming stronger and stronger. However, compared with normal products that support HPPI products, the power consumption of the control circuit board will also be greatly increased. . High power consumption will also lead to higher temperature of the control circuit board. [0003] Due to the insufficient penetration rate of HPPI products, a high-brightness backlight is required. The usual method is to increase the LED current or increase the number of LEDs. However, this method will also increase the power consumption of the LED and make the temperature of the backlight position higher. [0004] Due to the high temperature of the control circuit boar...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1362G02F1/1333
Inventor 余艳平凌安恺沈柏平
Owner XIAMEN TIANMA MICRO ELECTRONICS
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