LCD projector principle

The imaging principle of the three-chip LCD projector (see the figure below) uses the light path of a liquid crystal projector as an example: First, the light passes through the filter and filters out invisible light such as infrared rays and ultraviolet rays. The infrared ray and ultraviolet ray are certain to the LCD film. The damage effect. The light is homogenized through two multi-lens lenses and the conical light generated by the UHP lamp is corrected to a rectangular ray similar to the projected image. The prism between the two mirrors is used to pre-polarize the light, which reduces the loss of light compared to an asymmetrical light box without the prism. The light is next divided into three primary colors of red, green and blue by the spectroscope and reflected on the respective liquid crystal plates. Before reaching the liquid crystal film, the light also needs to pass through a convex lens and a polarizer. The role of the convex lens is to concentrate the light, and the polarizer further polarizes the light, so that the direction of vibration of the light is uniform and can be controlled by the liquid crystal panel. Finally, the light passes through the liquid crystal panel, is driven by the Circuit Board, and the pixels on the liquid crystal panel are sequentially opened and closed to generate an image, and rich colors are produced through the adjustment of the light of each primary color. The last three lights eventually converged and projected from the camera.

High Precision Multilayer PCB|multilayer printed circuit board

Product name:
Industrial control board

Characteristic:
1, the board design integration is very high;
2, the need to use composite surface treatment method, gold finger plating hard gold 30 uinch;
3, gold finger position plate thickness tolerance 1.6mm+/-0.10mm, it is recommended that customers in the design of the gold finger corresponding to the inner line of the copper block, in order to facilitate the plate thickness tolerance control.

High precision multi layer board multilayer printed circuit board

Specifications:
Layer count: 6
Board thickness: 1.60mm
Base materials: FR4 S1141
Finished size: 172*148mm
Surface finish: Gold Plated + finger
Line width/line space: 5/5mil
Minimum hole: 0.25mm
Solder resist color: blue
Cu thickness: inner layer 1 OZ outer layer 1 OZ

Product name:
Thick Copper Board

Characteristic:
Prominent features: the outer layer of copper thickness of 6 OZ, the inner product of copper thickness 6 OZ, commonly used in large power equipment.
Processing difficulties:
1, inside and outside the need to increase the thickness of copper thickness of 2 OZ or more by electroplating method;
2, before pressing the need to fill in the inner layer of resin;
3, the inner and outer layer circuit is difficult to etch;
4, solder resist the need for multiple printing.

High precision multi layer board multilayer printed circuit board Specifications:
Layer count: 4
Board thickness: 3.0mm
Base materials: FR4 S1000-2
Finished size: 175*104mm
Surface finish:
Line width/line space: 12/12mil
Minimum hole: 0.5mm
Solder resist color: Sensitive green
Cu thickness: inner layer 6 OZ outer layer 6 OZ

Product name:
Data acquisition board

Characteristic:
1, the integration of the board design is very high, thick diameter ratio of more than 10:1, heavy copper plating is difficult;
2, the use of TG 170 plate production.

High precision multi layer board multilayer printed circuit board

Specifications:
1, the integration of the board design is very high, thick diameter ratio of more than 10:1, heavy copper plating is difficult;
2, the use of TG 170 plate production.
Layer count: 8
Board thickness: 4.0mm
Base materials: FR4 S1000-2
Finished size: 400*400mm
Surface finish: mmersion
Line width/line space: 5/5mil
Minimum hole: 0.35mm
Solder resist color: Sensitive green
Cu thickness: inner layer 1 OZ outer layer 1 OZ

About Us:

BentePCB is a professional PCB manufacturing which is focus on double side, multilayer, HDI PCB , rigid PCB and Flexible PCB mass production. The company was established on 2011.
We have two factories together, The factory in Shenzhen is specialized in small and middle volume orders and the factory in Jiangxi is for big volumn.

Why Us?

UL (E492586), ISO9001, ISO14001, TS16949, RoHS certified.
Turnover USD 10-50 million per year.
15,000 sqm area, 450 staff .
Mass Production from single to 16 layers.
Special Material:ROGERS, Arlon, Taconic.etc.
Client:Huawei, SAMSUNG, Malata, Midea,Texas Instruments.etc.