LED display screen cover and LED display screen

A display screen and LED lamp technology, applied in the field of optical structure, can solve the problems of affecting image clarity, reducing viewing comfort, and inability to watch for a long time, so as to ensure image clarity, improve pixel filling factor, and soft picture effect

Active Publication Date: 2016-03-30
BEIJING UNIVERSAL LANBO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since most of the image acquisition devices of current photography equipment are area charge-coupled devices (CCD for short), which also have a periodic structure, when the camera equipment shoots the LED display, and the image of the LED display on the CCD When the spatial frequency is close to that of the CCD, there will be obvious moiré fringes, which will affect the clarity of the image
Moreover, the small fill factor of the LED pixel unit will also produce graininess, which will reduce the viewing comfort.
At the same time, in order to ensure the overall brightness, the brightness of LED lights is generally higher, but because of the small light-emitting area, it is easy to cause glare and cannot be viewed for a long time

Method used

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  • LED display screen cover and LED display screen
  • LED display screen cover and LED display screen
  • LED display screen cover and LED display screen

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Embodiment approach

[0066] The above-mentioned lampshade unit 21 can also adopt another embodiment: Figure 8 Another embodiment of the present invention provides a sectional view of two adjacent lampshade units in the LED display screen cover. Such as Figure 8 As shown, a first column 23 is also provided between the side wall of the groove 22 (that is, the light insulating part 211) and the surface of the PCB circuit board 12, and the first column 23 is located between two adjacent LED lamps 11. To support the light-shielding portion 211 . The first column 23 can be bonded, screwed or pinned on the PCB circuit board to achieve fixation, or a through hole is opened in the PCB board, and the second column 24 is arranged in the through hole, and the second column 24 is bonded or welded In the through hole of the PCB board, it is used to support the first column 23 . Alternatively, the first column 23 and the second column 24 may be integrally structured. Figure 8Among them, the first column 2...

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PUM

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Abstract

The invention provides an LED display screen cover and an LED display screen. The LED display screen cover comprises a screen cover body, wherein multiple lampshade units forming an array are arranged on the screen cover body, one lampshade unit is used for covering one LED lamp, and the top of each lampshade unit is of an arched structure facing the direction away from the corresponding LED lamp. The LED display screen cover and the LED display screen can remove a periodical black area grid structure of an existing LED display screen and increase the filling coefficient.

Description

technical field [0001] The invention relates to optical structure technology, in particular to an LED display screen cover and an LED display screen. Background technique [0002] Compared with traditional picture tube display screens and liquid crystal display screens, light emitting diode (Light Emitting Diode, referred to as LED) display screens have more prominent advantages. Requirements for display size and resolution. [0003] There are multiple LED lamps arranged in an array in the LED display, and one LED lamp forms an LED pixel unit. Since the light-emitting area of ​​the LED lamp is smaller than the physical surface area occupied by the LED pixel unit, its filling factor is small, resulting in the There are obvious black areas between the LED pixel units, and a periodic black area grid structure is reflected on the entire display. Since most of the image acquisition devices of current photography equipment are area charge-coupled devices (CCD for short), they al...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09F9/33G02B5/02
CPCG09F9/33G02B19/0066G02B5/0215G02B19/0014G02B5/0278F21V5/002H05K5/03G02B5/0242H05B33/12F21Y2115/10H05K5/0017
Inventor 胡頔迪
Owner BEIJING UNIVERSAL LANBO TECH CO LTD
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