Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A lcm module detection fixture with optional current

A module and fixture technology, applied in the direction of instruments, static indicators, etc., can solve problems such as expensive LVDS signal generators, and achieve the effects of low test cost, easy portability and simple structure

Active Publication Date: 2017-09-29
L&T DISPLAY TECH FUJIAN
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3) Lighting up the panel requires an expensive LVDS signal generator

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
  • A lcm module detection fixture with optional current
  • A lcm module detection fixture with optional current

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0018] Such as figure 1 or figure 2 As shown, the present invention includes a DC power adapter, a system motherboard, and a backlight current optional circuit; the system motherboard includes an MCU main control IC, a DC-DC step-down circuit, a backlight boost circuit and an LED driver IC, and the DC power adapter Connect the input end of the backlight step-up circuit and the input end of the DC-DC step-down circuit respectively, the output end of the backlight step-up circuit is connected to the LED backlight of the LCM module to be tested, and the output end of the DC-DC step-down circuit is respectively connected to the MCU main Control IC and LED driver IC, the output terminal of the MCU main control IC is respectively connected to the LED driver IC and the LCD screen of the LCM module to be tested, the output terminal of the LED driver IC is connected to the backlight boost circuit, and the output terminal of the LED driver IC passes through the backlight The current s...

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 invention discloses an LCM module heating fixture with optional current, which includes a DC power adapter, a system main board, and a backlight current optional circuit; the system main board includes an MCU main control IC, a DC-DC step-down circuit, and a backlight boost circuit and the LED driver IC, and the DC power adapter are respectively connected to the input end of the backlight boost circuit and the input end of the DC-DC step-down circuit, and the output end of the backlight boost circuit is connected to the LED backlight of the LCM module to be tested, and the DC-DC step-down circuit The output terminals of the circuit are respectively connected to the MCU main control IC and the LED driver IC, the output terminals of the MCU main control IC are respectively connected to the LED driver IC and the LCD screen of the LCM module to be tested, and the output terminals of the LED driver IC are connected to the backlight booster circuit. The output end of the LED driver IC is connected to the LED backlight source of the LCM module to be tested through the backlight current optional circuit. The invention has the advantages of simple structure, convenient carrying and low testing cost.

Description

technical field [0001] The invention relates to a heating fixture for an LCM module, in particular to a heating fixture for an LCM module with optional current. Background technique [0002] The heating fixture of the traditional LCM module generally adopts the structure of signal processing board + LED driver board. The backlight current of the LED driver board has only one level, and the corresponding resistance value must be changed every time the current output is changed. Use It is cumbersome and time-consuming, and the signal source must be continuously input when heating the panel. At the same time, the heating fixture of the existing LCM module is large in size and expensive. [0003] Specifically, the existing heating fixtures of the LCM module have the following problems: [0004] 1) Different sizes of modules require different currents for the backlight. The current board must constantly change the resistance value to output the corresponding current. This proces...

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
Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G09G3/00
Inventor 曾伟陈新平高秀月
Owner L&T DISPLAY TECH FUJIAN
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com