Display module detection device

Patent metadata

Field	Value
Publication number	US-10019920-B2
Application number	US-201515124629-A
Country	US
Kind code	B2
Filing date	Apr 17, 2015
Priority date	Nov 10, 2014
Publication date	Jul 10, 2018
Grant date	Jul 10, 2018

Abstract

A display module detection device is disclosed. The display module detection device includes a storage module, in which configuration parameters of multiple types of display modules are pre-stored for determining a configuration parameter to be outputted by the storage module based on a type of a display module to be detected, and a test system module being communicatively connected with the storage module and configured for determining an output parameter of a test signal output interface based on the configuration parameter outputted by the storage module.

First claim

The invention claimed is:

1. A display module detection device, comprising:
a storage module, in which configuration parameters of multiple types of display modules are pre-stored, the storage module is used for outputting configuration parameters corresponding to a display module to be detected, the configuration parameters comprising initialization codes of a display screen and a touch screen in the display module, driving time sequences of MIPI or RGB interfaces, power up timing and display screen resolution;
and
a test system module having a test signal output interface, wherein the test system module is communicatively connected with the storage module and provides an output signal at the test signal output interface for driving the display module to be detected in response to receiving the configuration parameters corresponding to the display module to be detected from the storage module such that the output signal matches a type of the display module to be detected,
wherein the display module detection device further comprises a power module electrically connected with both the test system module and the storage module, wherein the power module comprises a plurality of independent drive power sources having a controllable ON/OFF function.

2. The display module detection device according to claim 1 , wherein the storage module comprises a single-chip microprocessor (SCM) module, the SCM module having a network interface, and the test system module is provided with a network interface, the network interface of the SCM module being communicatively connected with that of the test system module.

3. The display module detection device according to claim 2 , wherein the SCM module is communicatively connected with the test system module via an Ethernet communication protocol.

4. The display module detection device according to claim 2 , wherein the SCM module comprises a control button.

5. The display module detection device according to claim 1 , wherein the test signal output interface comprised in the test system module comprises a synchronous serial communication bus interface, an inter-integrated circuit bus interface, a mobile industry processor interface, a color mode RGB signal interface, a central processing unit interface, a video graphics array interface and a power interface.

6. The display module detection device according to claim 5 , wherein the test system module comprises two signal connectors, wherein one signal connector is provided with the synchronous serial communication bus interface, the inter-integrated circuit bus interface, the mobile industry processor interface, and the power interface, and the other signal connector is provided with the synchronous serial communication bus interface, the inter-integrated circuit bus interface, the color mode RGB signal interface, the central processing unit interface, the video graphics array interface and the power interface.

7. The display module detection device according to claim 6 , wherein the display module detection device further comprises a display unit, the display unit being in signal connection with the storage module.

8. The display module detection device according to claim 5 , wherein the display module detection device further comprises a display unit, the display unit being in signal connection with the storage module.

9. The display module detection device according to claim 1 , wherein the display module detection device further comprises a display unit, the display unit being in signal connection with the storage module.

10. The display module detection device according to claim 9 , wherein the display module detection device further comprises a collecting module for collecting voltage and current information of the power module when a display screen and a backlight of the display module are lighted up, the collecting module being in signal connection with the power module and the storage module.

Assignees

• Boe Technology Group Co Ltd
• Boe Hebei Mobile Display Technology Co Ltd

Inventors

• Yang Guowen
• Zhu Baohong
• Zhang Ze
• Li Jian

Classifications

• G09G2330/02

  Details of power systems and of start or stop of display operation · CPC title

• G09G3/006 Primary

  Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays (testing individual LED's G01R31/2635; testing lamps G01R31/44; testing of optical features of LCD displays G02F1/1309) · CPC title

• G09G3/00

  Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes · CPC title

• G09G5/006

  Details of the interface to the display terminal (specific for a display terminal using a CRT G09G1/167; using a flat panel G09G3/2096; circuits for interfacing with colour displays G09G5/04) · CPC title

• G09G2360/02

  Graphics controller able to handle multiple formats, e.g. input or output formats · CPC title