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Display device

A display device, technology of gray scale value, applied in the direction of static indicators, instruments, etc.

Pending Publication Date: 2022-05-20
SAMSUNG DISPLAY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the value of current flowing through the display panel varies depending on the ambient temperature of the display panel, and the display panel may emit light at a brightness different from the target brightness.

Method used

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Embodiment Construction

[0037] While the present invention is capable of various modifications and forms, specific embodiments will be illustrated in the drawings and described in detail herein. However, this is not intended to limit the present invention to a specific disclosed form, and it should be understood that all changes, equivalents, and substitutions included in the spirit and technical scope of the present invention are included.

[0038] Similar reference numerals are used for similar components in describing the respective drawings. In the drawings, for clarity of the present invention, the dimensions of the structures are shown enlarged than actual. Although terms such as 'first', 'second', etc. may be used to describe various constituent elements, the constituent elements should not be limited to the terms. The terms are only used to distinguish one constituent element from another constituent element. For example, without departing from the scope of rights of the present invention, ...

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PUM

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Abstract

A display device is disclosed. A display device according to the present invention includes: a pixel section including pixels; a compensation unit that generates compensated image data by scaling the gradation value of the input image data on the basis of temperature data corresponding to the ambient temperature of the pixel unit; a timing control unit that generates image data on the basis of the compensated image data; and a data driving section that generates a data signal corresponding to the image data and supplies the data signal to the pixels. When the ambient temperature is greater than the reference temperature, the compensation unit scales the gradation value so that the gradation value of the input image data is reduced. When the ambient temperature is lower than the reference temperature, the compensation unit scales the gradation value so as to increase the gradation value of the input image data.

Description

technical field [0001] The invention relates to a display device. Background technique [0002] The display device may include a display panel for displaying images. The display panel may include pixels, and a light emitting element included in each pixel may emit light at a brightness corresponding to an amount of driving current. [0003] However, the value of current flowing through the display panel varies according to the ambient temperature of the display panel, and the display panel may emit light at a brightness different from a target brightness. Accordingly, it is necessary to control to display an image with target luminance on the display panel regardless of the ambient temperature of the display panel. Contents of the invention [0004] An object of the present invention is to provide a display device capable of displaying an image of a target brightness regardless of ambient temperature. [0005] A display device according to an embodiment of the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32G09G3/3233
CPCG09G3/32G09G3/3233G09G2320/041G09G2330/028G09G2320/0271G09G2360/16G09G2330/021G09G2300/0842G09G3/3225G09G2330/00G09G2320/0233G09G2310/027G09G2310/0243G09G2310/08
Inventor 崔银津徐源珍片奇铉
Owner SAMSUNG DISPLAY CO LTD