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Blue-light-removing full-spectrum white light source for backlight display eye protection

A technology of backlight display and white light source, which is applied in the field of full-spectrum white light source to remove blue light, can solve the problems of low color rendering index of white light source, blue light spectrum, short blue light wavelength, vision loss, etc., and achieve good eye protection effect, smooth spectrum, display The effect of high color index

Pending Publication Date: 2022-05-06
深圳市稳耀半导体科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main reason is that the white light source used in LED backlight has low color rendering index, blue light spectrum is very prominent, and contains too much high-energy and low-wave blue light, while blue light has short wavelength, strong energy, and can penetrate the lens directly to the bottom of the retina, which is easy to cause Vision loss and even various eye diseases

Method used

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  • Blue-light-removing full-spectrum white light source for backlight display eye protection
  • Blue-light-removing full-spectrum white light source for backlight display eye protection
  • Blue-light-removing full-spectrum white light source for backlight display eye protection

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Please refer to Figure 1 to Figure 3 , in this embodiment, the present invention provides a full-spectrum white light source for removing blue light for backlight display eye protection, including: a first chip 1 and a second chip 2 connected in series, and the wavelength range of the first chip 1 is The wavelength range of the second wafer 2 is 460nm-470nm, and the wavelength range is 440nm-450nm. The first wafer 1 and the second wafer 2 are covered with a fluorescent glue mixture 6 .

[0023] Further, the fluorescent glue mixture 6 includes a fluorescent powder mixture, and the fluorescent powder mixture includes blue fluorescent powder, green fluorescent powder, red fluorescent powder, and deep red fluorescent powder, and the weight ratio thereof is 1.2:6.8:0.9:1.1 . The fluorescent glue mixture 6 is cured and shaped.

[0024] F...

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Abstract

The invention discloses a blue-light-removing full-spectrum white light source for backlight display eye protection, which comprises a first wafer and a second wafer which are connected in series, the wavelength range of the first wafer is 460-470nm, the wavelength range of the second wafer is 440-450nm, and the first wafer and the second wafer are covered with a fluorescent glue mixture. According to the invention, the low-wave blue light section spectrum in the spectrum is low and smooth, and the blue light ratio is lower than 3%; the lighting effect is greater than 1101m / w, and the color tolerance is less than 3 steps; regt of a light source; 98, R1 to R15gt; the color rendering index is high, and a good eye protection effect can be achieved when the film is applied to display screen backlight; and the requirement on the exposure radiation value of the blue light dose of the light source in the photo-biological safety standard IEC 62471 and GB / T20145 is met.

Description

technical field [0001] The invention relates to the technical field of LED backlights, in particular to a blue-light-removing full-spectrum white light source for backlight display and eye protection. Background technique [0002] Nowadays, electronic digital products are inseparable from people's life, and electronic products are used almost all the time, especially smart phones, whether it is life entertainment, work or study, it is inseparable from smart phones. Smartphones and other electronic products may bring hidden dangers to people's health while improving people's quality of life. The main reason is that the white light source used in LED backlight has a low color rendering index, the blue light spectrum is very prominent, and contains too much high-energy and low-wave blue light. The blue light has a short wavelength, strong energy, and can penetrate the lens directly to the bottom of the retina, which is easy to cause Vision loss and even various eye diseases. ...

Claims

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Application Information

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IPC IPC(8): H01L33/50
CPCH01L33/504
Inventor 黄大玮陈生魁
Owner 深圳市稳耀半导体科技有限公司
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