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Monochip color wheel and its making process

A manufacturing method, a single-chip technology, applied in the direction of image duplicators, optical filters, color TVs, etc., can solve the problems of high noise, reduced lifespan, and quality reduction of color wheel filters, etc., to achieve low noise and smooth operation , Improve the effect of dynamic imbalance

Inactive Publication Date: 2009-03-18
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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Problems solved by technology

[0005] However, due to the cutting, assembly, and gluing of fan-shaped lenses, there are always some deviations or defects, which will greatly reduce the quality of the color wheel filter, which will not only affect the appearance of the color wheel, but also produce distortion when the color wheel rotates. Poor dynamic balance, loud noise and reduced lifespan

Method used

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  • Monochip color wheel and its making process
  • Monochip color wheel and its making process
  • Monochip color wheel and its making process

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Embodiment Construction

[0024] The invention proposes a monolithic color wheel and its manufacturing method. The manufacturing method of the monolithic color wheel is to form two or more than two kinds of color filter films on a square transparent substrate, and then cut into a The circular color wheel filter can be directly glued to a motor, or indirectly connected to a motor by using a metal ring to be driven by it.

[0025] According to the manufacturing method implemented by the present invention, its steps may include: a first step, such as Figure 1 to Figure 4 Shown, be to plate the light filter film 32 of the first kind of color, the light filter film 33 of the second kind of color, the light filter film 34 of the third kind of color on a square substrate 31, and the light filter film of the fourth kind of color film35. The square substrate 31 can be made of glass plastic or quartz, and the filter films can be red, green or blue filter films respectively. Preferably, in order to improve the...

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Abstract

The present invention discloses one kind of monochip color wheel and its making process. The making process includes: forming two or more color filter films on one transparent substrate, cutting to form circular color filter wheel, and hinging the color filter wheel to one driving motor directly or indirectly through one metal ring. These color filter films form symmetrical or asymmetrical fan-shaped arrangement with two or more kinds of filmed sectors. The present invention is superior to available technology, and the color wheel has high dynamic balance, low noise and smooth rotation.

Description

technical field [0001] The invention relates to a color wheel and its manufacturing method, especially to a single-chip color filter in which a color filter film is first formed on a substrate and then cut into a circular color wheel filter. Wheels and methods for their manufacture. Background technique [0002] At present, there are two ways to make color wheel filters. One is the collage type. First, the fan-shaped color filters with a predetermined shape and angle are collaged and glued together to make them an approximately circular color wheel filter; the other is the collage type. One is the substrate type, where fan-shaped filters of a predetermined shape and angle are glued on a circular substrate to form another type of color wheel filter. [0003] Take US Patent No. 5,868,482 as an example, which discloses a color wheel with multiple fan-shaped lenses assembled on a circular metal ring to form a circular color wheel filter. Since the central hole of the metal rin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G03B21/14G02B5/20H04N5/74H04N9/31
Inventor 徐碧聪左治韦
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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