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Device used for adjusting display brightness, and method for adjusting display brightness

A technology of display brightness and adjustment method, applied in the direction of identification devices, optics, instruments, etc., can solve the problems of poor effect, low LED efficiency, uneven display, etc., and achieve the effect of ensuring the display effect

Inactive Publication Date: 2019-01-29
CHENGDU JINGSHA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in existing electronic equipment, when adjusting the brightness of the light source, it is affected by the display efficiency of the light source device. For example, when the brightness of the LED light source is lower than the normal working range of the LED, the efficiency of the LED will become lower and the defects will be clearly displayed. This will Cause uneven display and poor effect

Method used

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  • Device used for adjusting display brightness, and method for adjusting display brightness
  • Device used for adjusting display brightness, and method for adjusting display brightness
  • Device used for adjusting display brightness, and method for adjusting display brightness

Examples

Experimental program
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Effect test

Embodiment 1

[0031] like image 3 As shown, in this embodiment, the micro-display screen 4 is used as a display light source, and the device provided by the present invention is placed close to the micro-display screen 4, and an optical element 5, an input coupling element 6 and an output coupling device are also arranged between the device and the human eye. Element 7. By adjusting the angle between the second polarizer 2 and the first polarizer 1 , the display brightness can be adjusted in different situations.

[0032] The principle of this embodiment is: the light emitted by the micro-display has polarization in all directions, and the polarizations in all directions are equal or unequal, and the light intensity at this time is , the polarization direction of the first polarizer is in the same direction as the strong polarization direction of the display light source, so as to pass as much light as possible. The light intensity after passing through the first polarizer is , the el...

Embodiment 2

[0037] like Figure 4 As shown, in this embodiment, the micro-display 4 is used as the display light source, and the device provided by the present invention is placed close to the micro-display 4 screen, and an optical element 5 and a beam splitter 8 are also arranged between the device and human eyes.

[0038] The principle in this embodiment is the same as that in Embodiment 1. The adjusted optical path of the device for adjusting display brightness provided by the present invention enters the human eye sequentially through the optical element 5 and the beam splitter 8, providing suitable light intensity.

Embodiment 3

[0040] like Figure 5As shown, in this embodiment, the micro-display screen 4 is used as the display light source, and the device provided by the present invention is placed close to the micro-display screen 4, and an optical element 5 is arranged between the device and the human eye.

[0041] The principle in this embodiment is the same as that in Embodiment 1. The light path adjusted by the device for adjusting display brightness provided by the present invention enters human eyes sequentially through the optical element 5 to provide suitable light intensity.

[0042] In order to facilitate the rotation of the first polarizer 1 and / or the second polarizer 2 and ensure the cleanliness of both lenses, here, the outer edge of the first polarizer 1 and / or the second polarizer 2 provided by the present invention There is a rotating handle A11 for rotating the first polarizer 1 or a rotating handle B21 for rotating the second polarizer 2, as figure 2 shown. In the present inven...

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Abstract

The invention discloses a device used for adjusting display brightness, and a method for adjusting display brightness. The device comprises a first polaroid (1) and a second polaroid (2), and the first polaroid (1) and the second polaroid (2) are fixed through a fixing part (3); and the first polaroid (1) and / or the second polaroid (2) can rotate by taking the fixing part (3) as the axis, so thatthe inclined angle delta between the polarization direction of the first polaroid (1) and the polarization direction of the second polaroid (2) can be changed. According to the device and the method,by changing the included angle delta between the first polaroid and the second polaroid, the display light brightness can be changed, the influences of the self efficiency of a light source device areeliminated, namely, the light-emitting property of the light source device is not changed, so that the display effect of the light-emitting device is not influenced, and the display effect is guaranteed.

Description

technical field [0001] The present invention firstly relates to a device, in particular to a device and method for adjusting display brightness. Background technique [0002] With the continuous development of technology, the display screens of existing electronic devices are not only used for display alone, but also used for touch operations, and corresponding functions are executed through touch operations. [0003] With more and more people using electronic devices, in order to better protect the eyesight of users and reduce eye fatigue, the display screens used in existing electronic devices have the function of automatically adjusting the display brightness, that is, according to the use environment of electronic devices Adjust the display brightness of the display screen according to the light intensity of the use environment. Specifically, the stronger the light intensity of the use environment, the higher the display brightness of the display screen; the weaker the l...

Claims

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Application Information

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IPC IPC(8): G09F9/00G02B27/28
CPCG02B27/281G09F9/00
Inventor 何小祥黎守新于军胜陈珉
Owner CHENGDU JINGSHA TECH
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