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Light source driving device and method for display equipment

A light source driving and display device technology, applied to light sources, electric light sources, lighting devices, etc., to achieve the effect of short-term audio-visual display devices

Inactive Publication Date: 2006-04-26
LEIJIN ELECTRONIC SHENYANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] In the traditional light source driving device mentioned above, when the transformer is in a high temperature state, in order to boost the voltage of the transformer, it needs to be cooled for a specified period of time; the required cooling time brings a lot of inconvenience to the user

Method used

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  • Light source driving device and method for display equipment
  • Light source driving device and method for display equipment
  • Light source driving device and method for display equipment

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Embodiment Construction

[0038] Hereinafter, with reference to the accompanying drawings, the driving device and method of the display device of the present invention will be described as follows:

[0039] image 3 It is a block diagram of the light source driving device of the present invention.

[0040] Such as image 3 As shown, the light source driving device of the present invention is composed of the following parts: a power supply device 10 for providing power; a light source driving circuit 16 for driving the light source 14 and the transformer A18 and the transformer B19; The switch circuit 17 provided by the transformer for opening and closing; the microprocessor 15 controlling the light source drive circuit 16 and the switch circuit 17; the transformer A18 and the transformer B19 selectively operated by the switch circuit 17; the transformer A18 and the transformer B19 generate The light source 14 that is turned on by the high voltage.

[0041] The details are as follows: Usually, the po...

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PUM

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Abstract

The invention discloses a display equipment light source activation device within two transformers and switches and method to shorten the light source lightning time, which comprises the following parts: light source of emission light, two transformer to generate regular pressure, switch to operate one transformer, activation circuit of light source and transformer, microprocessor to control transformer and switch, power supply device.

Description

technical field [0001] The present invention relates to a light source driving device and method of a display device, in particular to a light source driving device capable of shortening the lighting time of the light source caused by the temperature characteristics of the driving device in a driving device having two transformers and a switch circuit, and method. Background technique [0002] figure 1 is a block diagram of a traditional light source driving device; figure 2 is a flow chart of a traditional light source driving method. [0003] Such as figure 1 , figure 2 As shown, the traditional light source driving device is composed of the following parts: a power supply device 10 that provides power; a light source driving circuit 12 that drives a transformer 13 and a light source 14 with the power provided by the power supply device 10; controls the light source driving circuit 12, and detects the transformer 13 temperature, the microprocessor 11 that detects wh...

Claims

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Application Information

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IPC IPC(8): G09G5/00G02F1/1335H05B37/02
CPCY02B20/40
Inventor 李正均张重熙
Owner LEIJIN ELECTRONIC SHENYANG CO LTD