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Optics that diffuse light

An optical device and light source technology, applied in the field of optical components, can solve problems such as uneven color

Active Publication Date: 2019-09-10
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Ultra-thin lighting panels using white LEDs also have color unevenness

Method used

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Embodiment Construction

[0032] The following detailed description describes innovations for a certain implementation manner. However, the teachings here can be applied in a number of different ways. As will become clear from the description below, this innovation can be applied to any device used to provide lighting. In particular, it is contemplated that the innovation can be applied to lighting systems, e.g. a thin backlight and / or frontlight unit for providing illumination to various display devices, such as for liquid crystal (LCD) based display devices based on light-emitting diodes (LEDs). Said application can be applied to any device, device, or system, and can be used to display dynamic pictures such as video screens, and static pictures such as photos, texts, images, and / or pictures. In particular, it is contemplated that the described applications may be included in or accompanied by a variety of electronic devices such as, but not limited to, mobile phones, smart phones, multimedia Inter...

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Abstract

Disclosed herein is a light diffusing optical element comprising one or more textured surfaces. The textured surface includes a plurality of microstructures that serve to redistribute incident light uniformly or monotonically across the illuminated surface.

Description

technical field [0001] The present disclosure relates to the field of optical elements for redistributing light from a light source, and more particularly to optical elements for light emitting diodes. Background technique [0002] In many applications that use light emitting diode (LED) emitters as light sources, optical components such as lenses, diffusers, reflectors, diverters, etc. can be used to adjust the radiation pattern of the light emitted from the LED. In various embodiments, the light source can include an array of LEDs. In such an embodiment, an array of optical elements may be arranged over the array of LEDs such that each optical element arranged in the array of optical elements surrounds a corresponding LED in the array of LEDs for illuminating Larger required area. [0003] Recently, there is a demand for lighting panels to have an ultra-thin / thin profile and include fewer LEDs to reduce costs. The desired optics are those that enable the desired illumin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21V5/00F21K9/69F21K9/20F21Y115/10
CPCF21S2/00F21V5/00F21V5/04G02B19/0028G02B19/0061G02F1/133603G02F1/133606G02B5/0215G02B5/0221G02B5/0231G02B17/00G02F1/133607
Inventor 尤君平阮世陈沈思宽周洪贵李海鹰
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD