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Display panel, display device, and electronic instrument

A display panel and display device technology, which is applied in the direction of identification devices, circuits, electrical components, etc., can solve the problems that it is difficult to realize large-scale and high-resolution display devices, and achieve the goal of reducing the increase of leakage current and reducing the brightness. Effect

Inactive Publication Date: 2012-10-17
JOLED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the passive matrix system has a simple structure, it has a problem that it is difficult to realize a large-sized and high-resolution display device

Method used

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  • Display panel, display device, and electronic instrument
  • Display panel, display device, and electronic instrument
  • Display panel, display device, and electronic instrument

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0034] Example where the light-shielding layer is provided immediately under the write transistor

[0035] 2. Another embodiment

[0036] Example of a light-shielding layer used as a scan electrode of a touch sensor

[0037] 3. Modules and application examples

[0038]

[0039] [structure]

[0040] figure 1 An example of the overall configuration of the display device 1 according to the embodiment is shown. The display device 1 is provided with a display panel 10 and a driving circuit 20 for driving the display panel 10 .

[0041] The display panel 10 has a display area 10A in which a plurality of display pixels 14 are two-dimensionally arranged. The display panel 10 displays an image by driving each display pixel 14 through an active matrix based on an externally input video signal 20A. Each display pixel 14 includes a sub-pixel 13R for red, a sub-pixel 13G for green, and a sub-pixel 13B for blue. In the following description, the sub-pixel 13 is used as a collectiv...

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PUM

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Abstract

The invention discloses a display panel, a display device and an electronic instrument. The display panel includes, for each pixel, a self light emitting device and a pixel circuit driving the self light emitting device. The pixel circuit has a retention capacitor, a first transistor writing a voltage corresponding to a video signal in the retention capacitor, and a second transistor driving the self light emitting device based on the voltage of the retention capacitor, and the display panel has a light exit face discharging a light emitted from the self light emitting device to outside and also has a light blocking layer blocking an external light introduced from the light exit face to the first transistor.

Description

technical field [0001] The present invention relates to a display panel provided with an organic EL (Electroluminescence) device, and a display device and electronic equipment provided with the display panel. Background technique [0002] In recent years, in the field of display devices that perform image display, current-driven optical devices (such as display devices using organic EL devices) whose emission luminance changes according to the value of flowing current have been developed as light-emitting devices for pixels to advance commercialization (For example, see Japanese Unexamined Patent Application Publication No. 2008-083272). An organic EL device is a self-luminous device, which is different from a liquid crystal device or the like. Therefore, since a display device using an organic EL device (organic EL display device) does not require a light source (backlight), the visibility of images is high, power consumption is low, and the response of the device is lower...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/52H01L27/32G09F9/33
CPCH01L27/323H01L27/3272G06K9/0002H10K59/40H10K59/126
Inventor 尾本启介
Owner JOLED INC
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