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Technique for testing display unit

A technology for display units and display components, applied in electrical components, static indicators, TVs, etc., to solve problems such as undetectable and undetectable

Inactive Publication Date: 2017-11-03
E SOLUTIONS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limited resolving power of the human eye, certain errors may be barely or even undetectable, so such errors may go undetected

Method used

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  • Technique for testing display unit
  • Technique for testing display unit
  • Technique for testing display unit

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0041] The details of specific embodiments are described in the following description in order to ensure a basic understanding of the disclosure presented herein. It is obvious to those skilled in the art that the present disclosure can be used in other embodiments that do not implement these details.

[0042] In addition, it is obvious to those skilled in the art that the methods, functions and steps proposed below can be implemented by using software codes combined with a processor or by using application specific integrated circuits ("application specific integrated circuit" in English, ASIC) or digital signal processing. DSP (DSP).

[0043] figure 1 The first embodiment of the device 100 for checking the display unit 102 is shown. The equipment 100 includes a receiving device 104, a sensor device 106, an inspection device 108, and a transmission device 110. The receiving device 104 and the conveying device 110 can be integrated in a single device.

[0044] In the following des...

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PUM

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Abstract

Technique for testing display unit is disclosed. The present disclosure relates to a method and apparatus for testing a display unit. A method of the disclosure includes the following steps. At least one sensor device with a photodetector matrix is provided, the photodetector matrix having a first number of photodetectors in a first direction and a second number of photodetectors in a second direction perpendicular to the first direction. The display unit to be tested is moved relative to the at least one sensor device to detect output signals of the photodetectors. Based on the detected output signals, the display unit is checked. According to the method described, a device is further disclosed which is adapted to carry out the method.

Description

Technical field [0001] The present disclosure generally relates to the field of inspection display units. Specifically, an apparatus and method for inspecting a display unit are proposed. Background technique [0002] Display units (such as (O)LED and LC displays) are used in various fields and most of them are automatically manufactured. For example, such display units are increasingly installed in motor vehicles. [0003] In general, the goal of display unit manufacturers is to automatically manufacture flawless and functionally reliable display units and ensure high quality. During the manufacturing process, various factors may change, such as the quality of the processed materials or manufacturing sub-processes in which small deviations from specified values ​​occur. Handling defective materials or faulty sub-processes can lead to defects or even complete failure of the display unit. [0004] Therefore, a high degree of care has been taken in the selection of materials to pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N1/195G02F1/13
CPCG02F1/1309H04N1/19526H04N17/00G01N21/88G01N21/95G01N2021/9513G09G3/006G09G2320/041G09G2320/0693G09G2360/147G09G2380/10G01J1/02
Inventor 克里斯托夫·鲁斯
Owner E SOLUTIONS