Detection equipment for display driving chip and display module
A display module and display driver technology, applied in the direction of static indicators, instruments, etc., can solve the problems of not being able to drive IC function verification, low reliability, and not collecting reliable, objective and fast large amounts of data, so as to improve the reliability of inspection , Improve reliability and shorten detection time
Pending Publication Date: 2020-07-10
晟合微电子(肇庆)有限公司
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Problems solved by technology
[0003] In the mass production of display device modules, the existing display detection device can only perform some limited detection on the display function, but cannot verify the function of the driver IC. In addition, there is a problem in the test results, namely There is no reliable, objective and rapid collection of large amounts of data, only a small amount of data collection, low reliability, and mainly by the user's visual or subjective judgment
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[0024] The driving chip and the detection device of the display module of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] As shown in the figure, the detection equipment of the driver chip and the display module of the present invention includes a control main board, and the control main board uses an external 12V power supply as the main source of the test equipment, and the main control board is provided with external interfaces, such as USB interface, Ethernet Interface, RS-232 interface, etc. constitute the detection equipment. The RS-232 interface is mainly used to provide the power supply of the control board and the information required for maintaining the control board. The Ethernet interface is a LAN port for Ethernet network communication. It is equipped with a core board capable of generating graphics processing information and video signals, a power board capable of prov...
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The invention discloses detection equipment for a display driving chip and a display module. The detection equipment comprises a control mainboard, and a core board, a power supply board and an expansion board which are arranged on the control mainboard, wherein the control mainboard is connected with a driving / display unit to be detected and a measuring instrument; the expansion board and the power supply board are in communication connection with the core board, the control mainboard can communicate with an external instrument through the core board, and the control mainboard can also be incommunication connection with a computer host through the core board and can transmit tested information into sa computer host, so that a detection result is displayed through a display of the computer host. The detection equipment has the advantages that the operation reliability of the driving chip is improved; a large amount of data can be collected in a short time, so that the detection time is shortened, the effects of bad analysis and improvement measures can be quickly obtained, the effect of reducing test result errors can be achieved, the effect of convenience in carrying and moving is achieved, the effect of improving the inspection reliability is achieved, and the cost and time related to design change are reduced.
Description
technical field [0001] The invention relates to a detection technology of a display driver chip and a display module (a display driver IC or a display carrying a display driver IC), in particular to a detection device for a display driver chip and a display module. Background technique [0002] LCD, OLED, or LED (such as digital display devices) are not only used in conventional TV or PC displays, but also in various electronic products and many industries, such as mobile phones and automobiles. In addition, due to the latest developments in technology, high-resolution display devices Under active development, according to the needs of many applications, the demand for display driver ICs (DDIC) and display modules of various specifications is also increasing; in order to meet the high-resolution functions of display driver ICs and display modules, to meet the needs of the market Demand, the demand for modern technology has increased and the development cost has increased. Th...
Claims
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Login to View More IPC IPC(8): G09G3/00
CPCG09G3/006
Inventor 朴大振
Owner 晟合微电子(肇庆)有限公司