Display device
A display device and a technology for connecting electrodes, which are applied in the directions of identification devices, instruments, semiconductor devices, etc., can solve problems such as brightness reduction, shrinkage, and increase in power consumption, and achieve the effect of suppressing the increase.
Active Publication Date: 2021-08-24
JAPAN DISPLAY INC
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Therefore, in each pixel, the reduction in luminance may be caused due to the reduction of the aperture that contributes to the display.
If the luminance of the lighting device is increased to compensate for such a decrease in luminance, power consumption will increase.
Method used
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[0020] Hereinafter, the present embodiment will be described with reference to the drawings. It should be noted that the disclosure is not only an example, and the principles of the main purpose of the inventions readily apparent to those skilled in the art are of course within the scope of the present invention. Further, in the drawings, in order to make the description, the width, thickness, shape, etc. of the respective portions may be schematically indicative of the width, thickness, shape, etc. of the respective portions, but is not limited thereto, and the explanation of the present invention is not limited. Further, in the present specification and the respective figures, the same reference numerals are sometimes submitted to the same or similar functions as the elements described in the drawings, and the repeated detailed description is appropriately omitted.
[0021] In the present embodiment, the liquid crystal display device will be described as an example of a display ...
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The purpose of the present embodiment is to provide a display device that can suppress an increase in power consumption. The display device of the present embodiment comprises: an oxide semiconductor layer; a protective metal layer; a first inorganic insulation film that covers the oxide semiconductor layer and the protective metal layer; a gate electrode; a second inorganic insulation film that covers the gate electrode; a first connection electrode that is in contact with the protective metal layer in a first opening part penetrating the first inorganic insulation film and the second inorganic insulation film; a first organic insulation film that covers the first connection electrode; a second connection electrode that is in contact with the first connection electrode in a second opening part penetrating the first organic insulation film; a second organic insulation film that covers the second connection electrode; a third connection electrode that is in contact with the second connection electrode in a third opening part penetrating the second organic insulation film; a third inorganic insulation film that covers the third connection electrode; and a pixel electrode that is in contact with the third connection electrode in a fourth opening part penetrating the third inorganic insulation film, wherein the second opening part is located above the first opening part.
Description
Technical field [0001] Embodiments of the invention relate to a display device. Background technique [0002] In a display device such as a liquid crystal display device, a technique of combining a first switching element having an oxide semiconductor layer and a second switching element having a polysilicon semiconductor layer is proposed. For example, the first switching element is disposed at each pixel, and the second switching element is disposed at the peripheral circuit. [0003] In the display device in recent years, high refinement requirements are further improved, and there is a tendency to increase the size of the pixel and the number of wirings. Therefore, in each of the pixels, it is possible to cause a decrease in brightness due to the reduction of the opening of the displayed opening. If the brightness of the lighting device is increased in order to compensate for the decrease in brightness, the increase in power consumption is increased. [0004] Prior art litera...
Claims
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Patent Timeline
Login to View More IPC IPC(8): G09F9/30G02F1/1333G02F1/1343G02F1/1368
CPCG09F9/30G02F1/1368G02F1/136286G02F1/136227H01L27/1225H01L27/1248G02F1/134309H01L29/41733
Inventor 田中仁
Owner JAPAN DISPLAY INC