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Backlight product interference grain processing process

A processing technology and interference fringe technology, applied in optics, nonlinear optics, diffusing elements, etc., can solve problems such as inability to meet development needs and small profit margins, improve market competitiveness and practical value, save costs, The effect of saving thickness space

Inactive Publication Date: 2008-11-26
星磊电子(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, when the existing backlight source provides background light for the liquid crystal LCD display, it is easy to appear light and dark interference fringes.
The conventional solution is to cover the interference pattern by adding diffusion or replace the expensive 3M enhancement film. With the development of the display industry, the competition is becoming increasingly fierce, the requirements are getting higher and higher, and the profit margin is getting smaller and smaller. Therefore, the conventional The interference fringe processing method is more and more contradictory to reality and cannot meet the development needs of the status quo

Method used

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  • Backlight product interference grain processing process
  • Backlight product interference grain processing process
  • Backlight product interference grain processing process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] As shown in Figure 3, the interference fringe treatment process of backlight products, according to the angle of the LCD combined with the backlight, the brightness enhancement film is changed from the conventional 6-degree angle to 15 degrees. The brightness enhancement film is a two-layer assembly structure. The film 1 and the lower layer of the brightness enhancement film 2 are composed of the thickness of the two layers of the brightness enhancement film are 0.065 mm, and the angle at which the upper layer of the brightness enhancement film 1 and the lower layer of the brightness enhancement film 2 intersect after assembly is exactly 90 degrees, and the serrated surface 3 of the brightness enhancement film is along the The direction of the light is upward, so that it matches the angle of the LCD polarizer to eliminate the interference fringe generated after passing through the LCD. Finally, the LCD is combined to detect the elimination of the interference fringe to ve...

Embodiment 2

[0022] As shown in Figure 4, according to the LCD angle combined with the backlight, the brightness enhancement film is set from the conventional 94 degrees to 30 degrees. The thickness of each layer of enhancement film is 0.065 mm. After assembly, the upper layer of enhancement film 1 and the lower layer of enhancement film 2 form a cross angle of 90 degrees. Matching, eliminate the interference fringe generated after passing through the LCD, and then combine the LCD to detect the elimination of the interference fringe and verify the effectiveness.

Embodiment 3

[0024] As shown in Figure 5, the angle of the brightness enhancement film is set to 45 degrees. The brightness enhancement film consists of an upper layer of brightness enhancement film 1 and a lower layer of brightness enhancement film 2 to form a two-layer assembly structure. The thickness of the two layers of brightness enhancement films are both 0.065 mm. The intersecting angle of the light-enhancing film on the first layer is just 90 degrees, and the sawtooth surface 3 is upward along the light emitting direction to match the angle of the LCD polarizer. Finally, the elimination of interference fringes is detected by combining the LCD.

[0025] The product processed according to the interference pattern treatment process of the backlight product of the present invention can eliminate the interference pattern generated after passing through the LCD under the premise that the brightness, uniformity and thickness are not affected, so that the display effect of the liquid crysta...

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Abstract

The invention provides an interference line treatment technology of a backlight product used for smoothing out the interference line after the backlight product passes through an LCD to improve the display effect of an LCD panel. The invention comprises an intensifying film. The angle of the intensifying film is adjusted to 15 degrees, 30 degrees or 45 degrees from the conventional angle of 6 degrees or 94 degrees according to the angel of LCD combined with backlight, or the intensifying film selects the sawing distance of 90 / 20 or 90 / 50, so the angle of the intensifying film is matched with the angle of an LCD polaroid, thus achieving the aim of smoothing out the interference line. In addition, by adopting the interference line treatment technology, the brightness of the product can be increased; cost can be saved and the market competitive strength of the product is improved.

Description

technical field [0001] The invention relates to the technical field of interference fringe processing, in particular to an interference fringe processing process for backlight products of liquid crystal screens. Background technique [0002] Since the LCD panel itself does not have light-emitting characteristics, it is necessary to add a light source to the LCD panel to achieve the display effect. The backlight is an optical component that provides a backlight in LCD display products. Simply put, the backlight is As a key component of LCD display, it is a non-standardized product attached to LCD display [0003] The side backlight of the color screen is made of white LED lights placed on the side of the product through FPC welding. The light emitted is evenly distributed through the light guide plate, and then passes through the prism enhancement film to emit light vertically. It is mainly composed of plastic frame, light guide plate, FPC, LED, high-brightness reflection, a...

Claims

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Application Information

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IPC IPC(8): G02F1/1335G02B5/02
Inventor 陈武昌
Owner 星磊电子(深圳)有限公司
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