Member for cotrolling luminous flux, display device, and light emitting device

A technology for controlling components and display devices, applied in the directions of display devices, lighting devices, and components of lighting devices, etc., can solve problems such as performance deterioration and occurrence of liquid crystal display devices, and achieve enhanced brightness uniformity, high brightness uniformity, and improved brightness. performance effect

Inactive Publication Date: 2015-03-25
LG INNOTEK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above-mentioned backlight unit has the following disadvantage when irradiating light: a yellow ring appears in the liquid crystal display panel at the edge of the light
Therefore, the performance of the liquid crystal display device may be deteriorated

Method used

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  • Member for cotrolling luminous flux, display device, and light emitting device
  • Member for cotrolling luminous flux, display device, and light emitting device
  • Member for cotrolling luminous flux, display device, and light emitting device

Examples

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Embodiment Construction

[0077] Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings, wherein the same reference numerals are used to designate the same or substantially the same means throughout the specification and drawings. Therefore, in some embodiments, well-known processes, well-known device structures, and well-known technologies have not been described in detail in order not to obscure the explanation of the present invention.

[0078] In the drawings, it should be understood that when a panel (panel, member, guide or unit) is referred to as being "on" or "underneath" another panel (another panel, another member, another guide or another unit) ”, it may be directly above or below another panel (panel, member, guide or unit), or an intermediate panel (panel, member, guide or unit) may also be present. In the drawings, dimensions such as dimensions or thicknesses of layers or films may be exaggerated, omitted, or schematically shown for clar...

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Abstract

The present invention relates to a member for controlling luminous flux including an incident surface receiving light, a reflective surface reflecting the incident light, and a light emitting surface emitting the reflected light to a bottom surface of a plane perpendicular to a central axis connecting a center of the incident surface and a center of the reflective surface, and to a display device and a light emitting device, whereby performance of display device can be enhanced.

Description

technical field [0001] Techniques according to exemplary and non-exemplary embodiments of the present invention generally relate to a member for controlling light flux, a display device, and a light emitting device. Background technique [0002] In general, liquid crystal display devices (or LCDs) are being widely used due to their light weight, thin thickness, and low power consumption. LCDs display picture data (or images) by using crystals to change the physical properties of the array in response to voltage or temperature. [0003] The LCD includes a backlight unit (BLU) and a liquid crystal display panel. Since the LCD is not a self-light emitting element, the LCD requires a backlight unit for irradiating light to the liquid crystal display panel. At this time, the backlight unit is installed with a light source for generating light in a large amount, and is classified into two types according to where the light source is located. [0004] That is, there are two type...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21V5/00F21S2/00G02F1/13357
CPCG02F1/133603G09F13/04G09F13/14H01L33/58G02F1/133607F21V7/00F21V13/04
Inventor 李昌奕徐银晟崔岘镐李基锡金基喆康利任
Owner LG INNOTEK CO LTD
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