Direct downward optical background modular set and its supporting posts

A backlight module and support column technology, applied in optics, nonlinear optics, instruments, etc., can solve problems such as hindering the upward reflection of light, and achieve the effects of simplified assembly steps, stable support capacity, and average brightness

Inactive Publication Date: 2007-05-16
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But as shown in Fig. 2 and Fig. 3, within the range covered by the cone bottom diameter L2 and L3, the support column will prevent the light from being reflected upward by the reflective sheet 28. Compared with other parts, the range covered by L2 and L3 will be within The diffuser plate 26 forms a relatively dark shadow

Method used

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  • Direct downward optical background modular set and its supporting posts
  • Direct downward optical background modular set and its supporting posts
  • Direct downward optical background modular set and its supporting posts

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Embodiment Construction

[0044] By means of the accompanying drawings and the following detailed description, the above contents and many advantages of this invention can be easily understood, wherein:

[0045] Please refer to FIG. 4 , which is a side sectional view of the backlight module of the present invention. The backlight module 50 includes a bottom plate 52 , a reflector 53 , a light tube 54 , a diffusion plate 56 and a supporting cone 60 of the present invention. Wherein the base plate 52 is located below the lamp tube 54, the diffuser plate 56 is located above the lamp tube 54, the reflector 53 spreads on the upper surface of the base plate 52, and the support column 60 is fixed in the base plate 52 to support the diffuser plate 56 upwards, in the base plate 52 And a fixing hole 522 is provided for fixing the support column 60 .

[0046] As shown in FIG. 4 , the support pole 60 includes a cone body 62 , a fixing bolt 64 and a snap ring 66 . The cylinder 62 is erected between the bottom pla...

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Abstract

A downwards type of photonegative module and its support column is featured as setting support column between baselate and dispersion plate for supporting dispersion plate upwards and setting a fixing hole on baseplate for fixing the column. The support column comprises a conical column to support dispersion plate, conical palte attaching to baseplate, fixing belt to connect conical plate bottom surface and opening clasp for holding bolt and baseplate.

Description

field of invention [0001] The invention relates to a direct-type backlight module and a supporting column thereof in liquid crystal display technology. Background technique [0002] Liquid crystal display (LCD) technology has been used in portable electronic products such as notebook computers, mobile phones, digital cameras, camcorders, and PDAs. In addition to these smaller portable products, the manufacturing technology of large-size liquid crystal panels has also matured recently. For example, desktop LCD monitors are gradually replacing CRT screens. LCD TVs are currently competing with traditional TVs in the market due to their advantages of light and small size. The liquid crystal panel (LCD panel) is the most critical display element in this field. However, it does not emit light by itself, and needs to be provided with a backlight source to display. Currently, there are many backlight technologies, and in large-size (about 20 inches or more) liquid crystal display...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357G02F1/1333G02F1/1335
Inventor 赖清坤赖冠州
Owner AU OPTRONICS CORP
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