Display device, correction system, forming device, determining device and method

A display device and technology for display, applied in static indicators, instruments, etc., can solve the problems of uneven strip shape and uneven characteristics of polysilicon

Inactive Publication Date: 2011-03-30
SHARP KK
View PDF8 Cites 25 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For example, in the manufacturing process of small high-definition liquid crystal panels, when amorphous silicon (amorphous silicon) is deposited on a glass substrate, the amorphous silicon with low mobility is crystallized by laser irradiation to form polycrystalline silicon with high mobility ( poly-silicon), if the intensity distribution of the laser is uneven, then the characte

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Display device, correction system, forming device, determining device and method
  • Display device, correction system, forming device, determining device and method
  • Display device, correction system, forming device, determining device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0122] One embodiment of the present invention will be described below. In this embodiment, the correction of the stripe-shaped unevenness (striped brightness unevenness) that appears on the display device parallel to the extending direction of the source lines (data lines, data signal lines) is taken as an example. Note that this display device is, for example, a transmissive liquid crystal display device that displays based on image data expressing RGB colors with 6 bits, which is included in a mobile device such as a cellular phone. However, the applicable objects of the present invention are not limited thereto.

[0123] figure 2 It is a block diagram showing the configuration of the correction data creating device 10 of this embodiment. As shown in the figure, correction data generation device 10 includes display data generation unit 11 , imaging unit 12 , brightness data extraction unit 13 , moving average processing unit 14 , brightness unevenness detection unit 15 ,...

Embodiment approach 2

[0197] Next, other embodiments of the present invention will be described. For the sake of convenience, components having the same functions as those described in Embodiment 1 are given the same reference numerals, and description thereof will be omitted.

[0198] In Embodiment 1, the configuration for correcting streak unevenness was described. In this embodiment, an example of a configuration for correcting localized unevenness (spotty unevenness) will be described.

[0199] Figure 11 It is a block diagram showing the configuration of the correction data creating device 10b of this embodiment. As shown in the figure, instead of the moving average processing unit 14, brightness unevenness detecting unit 15, and corrected data generating unit 16 of the correction data creating device in Embodiment 1, the corrected data creating device 10b includes a moving averaging processing unit 14b, The brightness unevenness detection part 15b and the correction data generation part 16...

Embodiment approach 3

[0239] Next, other embodiments of the present invention will be described. For the sake of convenience, components having the same functions as those described in the above-mentioned embodiments are given the same reference numerals, and descriptions thereof are omitted.

[0240] In this embodiment, the explanation will be given mainly on the connection between the source lines ( Examples of correcting stripe-like uneven brightness (striped uneven brightness) and localized spot-like uneven brightness (spot-like uneven brightness) in which the extending directions of data lines and data signal lines are parallel. That is, in the present embodiment, it is described that a plurality of parallel gate lines (scanning signal lines) and a plurality of parallel source lines intersect each other and each of the gate lines and the source lines intersect each other. An example of correcting the striped uneven brightness parallel to the source lines and the local spot uneven brightness i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention relates to a display device, a correction system, a forming device, a determining device and method. Part of pixels contained in a correction region including a nonuniform brightness region or the nonuniform brightness region and peripheral region thereof are selected as adjustment correction pixels, and gray level value correction amount of the adjustment correction pixel is different from that of the pixels apart from the adjustment correction pixels in the correction region, so as to only correct by a brightness value less than one gray level of display image data (or a brightness value equivalent to a gray level value of the display image data which fractional part is not zero), namely, the brightness values of all pixels in the correction region are all corrected. Thereby, the nonuniform brightness of the display device can be corrected exactly.

Description

technical field [0001] The present invention relates to a technique for correcting brightness unevenness of a display screen of a display device. Background technique [0002] In image display devices such as liquid crystal display devices, plasma displays, and organic EL (Electro-Luminescence: electroluminescent) displays, due to various reasons in the manufacturing process, the display brightness on the display screen may locally become darker than the desired brightness. Or bright brightness uneven. [0003] There are several types of brightness unevenness depending on their shape, and typical ones are stripe unevenness in which unevenness in brightness occurs in stripes on a display screen and spot unevenness in which unevenness in brightness locally occurs in spots. [0004] For example, in the manufacturing process of small high-definition liquid crystal panels, when amorphous silicon (amorphous silicon) is deposited on a glass substrate, the amorphous silicon with lo...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G09G3/36G02F1/133G09G3/3208
Inventor 吉冈史善太田佳似矢追善史足立浩一郎片冈耕太郎市川雄二佐藤克彦岩田浩
Owner SHARP KK
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap