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Backlight unit and liquid crystal displayer

A liquid crystal display and backlight unit technology, which is applied in the directions of instruments, optics, reflectors, etc., can solve the problems such as the reduction of the size of the backlight unit, the difference in regional brightness and the observation of bright lines.

Inactive Publication Date: 2006-12-06
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, it is difficult to reduce the size of the backlight unit to a reasonably thin thickness because the area brightness difference is observed as bright lines due to the thickness of the backlight unit being smaller than a predetermined value

Method used

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  • Backlight unit and liquid crystal displayer
  • Backlight unit and liquid crystal displayer
  • Backlight unit and liquid crystal displayer

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Embodiment Construction

[0032] Hereinafter, the present invention will be described more fully with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

[0033] In the drawings, the thickness of layers, films and regions are exaggerated for clarity. Like reference numerals refer to like elements throughout. It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0034] It is to be understood that although the terms ...

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Abstract

The invention provides a negative phototropic unit, comprising light source and optical frequency mixer, and the frequency mixer is located between light sources for reflection separately. The light from light source becomes even when passes through frequency mixer, even the thickness of negative phototropic unit is thinner.

Description

[0001] This application claims priority from Korean Patent Application No. 2005-0045503 filed on May 30, 2005, the entire contents of which are hereby incorporated by reference. technical field [0002] The invention relates to a backlight unit and a liquid crystal display. Background technique [0003] Since performance of small-sized and light-weight flat-panel displays has been improved based on recently rapidly developed semiconductor technologies, flat-panel displays have become a choice of electronic consumers. [0004] Among flat panel displays, liquid crystal displays (LCDs), which have the advantages of small size, light weight, and low power consumption, have become the focus of substitutes that can overcome the disadvantages of conventional cathode ray tubes (CRTs) and can replace CRTs. Currently, LCDs are used in almost all information processing devices that require a display device. [0005] The LCD includes: a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/13357G02F1/1335F21V7/00F21V7/04H01L33/60
CPCG02F1/133603G02F1/133608G02F1/133606G02F1/133605G02F1/1335
Inventor 宋春镐金基哲李相裕杨秉春
Owner SAMSUNG ELECTRONICS CO LTD