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Energy-saving display system based on binary optics

A display system and binary optics technology, applied in optics, projectors with built-in screens/outside screens, instruments, etc., can solve problems such as waste and inability to be watched by audiences, and achieve the effect of reducing energy consumption and backlight energy

Inactive Publication Date: 2011-10-12
SUN YAT SEN UNIV
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Problems solved by technology

Taking the household situation as an example, when the viewer watches a 42-inch TV at a viewing distance of 3 meters, only 1.42% of the light (42-inch LCD TV viewing angle is about 170 degrees) is effective for the viewer, while the rest is because it cannot be watched by the viewer. being wasted

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  • Energy-saving display system based on binary optics
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  • Energy-saving display system based on binary optics

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] The present invention is an energy-saving display technology that uses projection as a display means and combines binary optical devices as key devices for directional transmission of image light signals. At present, the mainstream display methods such as CRT, rear projection display, liquid crystal display, plasma display, etc. are all diffuse reflection display solutions, that is, the image light signal propagates in the space within the 2π solid angle in front of the screen, but all transmitted light Only the part of the energy that enters the audience's eyes can affect the audience, and most of the rest of the light energy is wasted because it does not enter the audience's eyes. It can be seen that if the direction of image light signal transmission can be controlled, the light energy required for display can be reduced just by entering the eyes of the aud...

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Abstract

The invention relates to an energy-saving display system based on binary optics, comprising a display unit, an optical unit, a projection screen and an adjusting device, wherein the display unit is used for transmitting an image to the optical unit; the optical unit is used for projecting an optical signal of the image to the projection screen; the projection screen is used for directionally reflecting the optical signal of the image to double eyes of a viewer to be imaged; and the adjusting device is used for adjusting the projection direction and the projection position of the optical signal of the image of the optical unit. The energy-saving display system has the advantages of reduced display energy consumption, simple structure, low cost, and the like.

Description

technical field [0001] The invention belongs to the green energy-saving display technology, in particular to an energy-saving display system based on binary optics. Background technique [0002] Display technology is an inseparable part of people's daily life. According to a survey conducted by Nielsen in March 2010, Chinese residents spend an average of 2 hours and 36 minutes watching TV every day; according to a survey released by Boston Consulting Company in July 2010, Chinese netizens spend a total of 1 billion online hours per day. Hour. Activities such as watching TV, surfing the Internet, and using a computer for office work are all indispensable to use a TV set or a monitor for display. According to the above data, and with 3 people per household, each household has a 40-inch LCD TV (common CCFL backlit LCD TV, the average energy consumption is 180 watts / hour), and each computer uses a 19-inch LCD monitor (average energy consumption consumption 25 watts / hour) as a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/14G03B21/60G03B21/10G03B21/602
Inventor 周建英王嘉辉彼得克雷布斯周延桂谢向生
Owner SUN YAT SEN UNIV
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