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Pixel circuit, display panel, display unit and electronic system

A pixel circuit and writing circuit technology, which is applied in the field of pixel circuits, can solve problems such as difficult to realize large-size and high-definition display units, and achieve the effect of reducing the number of wiring connections

Inactive Publication Date: 2016-09-21
JOLED INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of the former is that although the structure is simple, it is difficult to realize a large-sized and high-definition display unit

Method used

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  • Pixel circuit, display panel, display unit and electronic system
  • Pixel circuit, display panel, display unit and electronic system
  • Pixel circuit, display panel, display unit and electronic system

Examples

Experimental program
Comparison scheme
Effect test

application example 1）

[0074] Figure 7 An external view of a television receiver to which the above-described display unit 1 is applicable is shown. This television receiver has, for example, an image display screen section 300 including a front panel 310 and a color filter 320 , and the image display screen section 300 is constituted by the above-described display unit 1 .

application example 2）

[0076] Figure 8A with 8B Each shows an external view of a digital camera to which the above-described display unit 1 is applicable. This digital camera has, for example, a light emitting section 410 for flash, a display section 420 , a menu switch 430 , and a shutter button 440 , and the display section 420 is constituted by the above-described display unit 1 .

application example 3）

[0078] Figure 9 An external view of a notebook personal computer to which the above-mentioned display unit 1 is applicable is shown. This notebook personal computer has, for example, a main body 510 , a keyboard 520 for operations such as inputting characters, and a display section 530 for image display, and the display section 530 is constituted by the display unit 1 described above.

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PUM

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Abstract

A pixel circuit includes: a writing circuit that samples a voltage of a signal line; and a driving circuit that generates a current from the signal line depending on an output of the writing circuit and delivers the current to a current-driven light emitting device.

Description

technical field [0001] The present disclosure relates to, for example, a pixel circuit that drives a self-emitting device such as an organic EL (Electro Luminescence) device. Furthermore, the present disclosure relates to a display panel, a display unit, and an electronic system including the above-mentioned pixel circuit. Background technique [0002] In recent years, in the field of display units for performing image display, display units using current-driven optical devices such as organic EL devices as pixel light-emitting devices have been developed and commercialized. The light emission of the optical device changes according to the value of the current flowing (for example, see Japanese Unexamined Patent Application Publication No. 2008-083272). Unlike liquid crystal display devices and the like, organic EL devices are self-luminous devices. Therefore, compared with a liquid crystal display unit including a light source, a display unit using an organic EL device (o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/3233
CPCG09G3/3233G09G2300/0452G09G2300/0852G09G2320/045G09G3/30
Inventor 尾本启介
Owner JOLED INC