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A vehicle display terminal and system

A vehicle-mounted display and terminal technology, applied to vehicle parts, instruments, metal casings, etc., can solve problems such as display screen interference

Active Publication Date: 2016-08-17
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the display device of the existing vehicle-mounted display terminal is connected to the metal casing, which causes the display screen to be disturbed, the present invention provides a vehicle-mounted display terminal and system

Method used

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  • A vehicle display terminal and system
  • A vehicle display terminal and system
  • A vehicle display terminal and system

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Embodiment Construction

[0023] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following detailed description will be given in conjunction with the accompanying drawings and specific embodiments.

[0024] like figure 1 As shown, it is a schematic structural diagram of a vehicle-mounted display terminal according to an embodiment of the present invention. The vehicle-mounted display terminal includes a metal casing 102 and a display device 101 disposed in the metal casing. The display device 101 includes a display panel 1011 and a circuit system. The ground of the circuit system is isolated from the metal casing. The circuit system includes a driving circuit and a power circuit, the driving circuit is connected to the display panel, and is used to provide display driving signals to the display panel, and the power circuit is connected to the driving circuit, and is used to provide power to the driving cir...

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Abstract

The present invention provides a vehicle-mounted display terminal and system. The vehicle-mounted display terminal includes a metal casing and a display device arranged in the metal casing. The display device has a circuit system, and the ground of the circuit system is connected to the metal casing. isolation. The circuit system "ground" of the display device of the vehicle-mounted display terminal of the present invention is isolated from the grounded metal casing, and the metal casing can be used as a shield connected to the ground to filter out some external interference, but it will also conduct the grounding strap In order to avoid the incoming interference, the "ground" of the circuit system of the display device is isolated from the metal case, so as to avoid the influence of the interference conducted by the grounding of the case on the display screen.

Description

technical field [0001] The invention relates to the display field, in particular to a vehicle-mounted display terminal and system. Background technique [0002] With the development of vehicle-mounted display systems such as rail transit and buses, people put forward higher and higher requirements for the quality of video display. [0003] However, unlike ordinary display terminals, display terminals based on vehicles (rail transit, buses, large and small vehicles, etc.) are subject to the interference of vehicle electronic systems and engine clutter interference, so that the picture quality of vehicle displays will be different in different periods. Interference such as twill lines and water ripples will affect people's perception. [0004] Based on the above reasons, we conducted an analysis and found that when the engine of the car body is starting, accelerating, decelerating, braking, etc., the picture of the on-board display terminal will be disturbed to varying degree...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09F9/00H05K5/04B60R11/02
Inventor 卢永杰
Owner BOE TECH GRP CO LTD