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Integrated micro-optical backlight lighting system apparatus and making method thereof

A technology for backlight illumination and system device, which is applied to microlithography exposure equipment, photolithography process exposure devices, optics, etc., can solve the problems of affecting the brightness of the light source system 100, high material cost, large light energy, etc., and achieves improved beam utilization. efficiency, power consumption reduction, and brightness enhancement effects

Active Publication Date: 2009-07-22
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the light source system 100 using the existing light guide plate 200 needs to use two prism plates 230 and 240 to gather the light beams emitted from the light-emitting surface 203 of the light guide plate 200 to improve brightness, and use the reflector plate 210 to improve the beam utilization rate, making its structure complicated , high material cost and inconvenient assembly
In addition, there are many optical interfaces in the light source system 100, and the light beam needs to undergo multiple optical actions in between, resulting in a large loss of light energy, thereby affecting the brightness of the light source system 100

Method used

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  • Integrated micro-optical backlight lighting system apparatus and making method thereof
  • Integrated micro-optical backlight lighting system apparatus and making method thereof
  • Integrated micro-optical backlight lighting system apparatus and making method thereof

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Embodiment approach 1

[0043] Embodiment 1 of the present invention, please refer to figure 2 , Figure 4 , Figure 5 , Picture 11 , The integrated micro-optical backlighting system device 100 of the present invention includes a light source 200 and a lamp cover 210, as well as a light guide plate 300 and a reflection plate 400. The light guide plate 300 is a wedge-shaped light guide plate. The light guide plate 300 includes at least one incident surface 310 for receiving light beams, an exit surface 320 opposite to the incident surface 310, and a bottom surface 340 opposite to the exit surface 320. The exit surface 320 of the light guide plate 300 is distributed Micro-optical array structure formed by laser direct writing technology. The light source 200 can be a linear light source (such as a cold cathode fluorescent tube) or a point light source (such as a light emitting diode), which is arranged opposite to the incident surface 310. An 8-level quantized binary optical array structure with a fill fa...

Embodiment approach 2

[0044] The second embodiment of the present invention, please refer to image 3 , Figure 4 , Figure 5 , Picture 11The light guide plate integrated micro-optical backlighting system device 100 of the present invention includes two light sources 200, two lampshades 210, a light guide plate 300 and a reflection plate 400. The light guide plate 300 is a flat light guide plate, including an incident surface 310, an exit surface 320 intersecting the incident surface 310, and a bottom surface 340 opposite to the exit surface 320. The light source 200 is a linear light source (such as a cold cathode fluorescent tube). The light source 200 is arranged opposite to the incident surface 310. An 8-level quantized binary optical array structure with a fill factor of 100% is uniformly distributed on the exit surface 320 of the light guide plate, which has the functions of light concentrating and uniform light. The bottom surface 340 is uniformly distributed with square scattering points (which...

Embodiment approach 3

[0045] In Embodiment 3 of the present invention, the micro-optical array structure of the exit surface 320 of the light guide plate 300 of the present invention is a surface continuous relief array structure, the unit structure period is in the range of 0.5 μm to 200 μm, and the characteristic size is μm level. The structure size and density can be evenly distributed or other distribution, and the filling factor is 100%.

[0046] Another micro-optical array structure on the exit surface 320 of the light guide plate 300 of the present invention is:

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Abstract

The invention discloses an integrated micro-optical backlight lighting system device and a manufacturing method thereof, aiming at overcoming the deficiencies of the prior art, and providing a low energy consumption, high light output brightness, good light output uniformity, multi-functional integrated An integrated micro-optical backlight lighting system device and a manufacturing method thereof. The invention includes at least one light source, a lampshade, and a light guide plate and a reflection plate, wherein the light guide plate at least includes an incident surface, an exit surface and a bottom surface, and scattering points are distributed on the bottom surface of the light guide plate. The outgoing surface of the light guide plate contains a micro-optical array structure. The manufacturing method of the present invention includes: (1) firstly using optical software to design the geometric array structure of the exit surface of the light guide plate in the device of the present invention; Array structure; (3) making templates; (4) copying in large quantities according to the templates made; (5) assembling light sources, lampshades and reflectors.

Description

Technical field [0001] The invention relates to an integrated micro-optical backlight lighting system device and a manufacturing method thereof, in particular to an integrated micro-optical backlight lighting system device designed by using binary optics and micro-optics technology and a manufacturing method thereof. Background technique [0002] Because of the advantages of lightness, thinness, and low power consumption, liquid crystal display devices are widely used in modern information equipment such as notebook computers, mobile phones, and personal digital assistants. Because the liquid crystal itself does not have light-emitting characteristics, it is necessary to provide a light source system to realize the display function. [0003] The existing light source system includes a light source and a light guide plate. The light source is arranged opposite to the light incident surface of the light guide plate. The light guide plate guides the transmission direction of the lig...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/13357G03F7/20G02B5/02
Inventor 徐平鄢泽林
Owner SHENZHEN UNIV