Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Light modulator pixel unit and manufacturing method thereof

A pixel unit and light modulator technology, applied in optical components, instruments, optics, etc., can solve the problem of reducing the cost of the pixel unit of the light modulator, and achieve the effect of cost reduction

Active Publication Date: 2012-02-22
XIAN YISHEN OPTOELECTRONICS TECH CO LTD
View PDF6 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem solved by the embodiments of the present invention is to provide a light modulator pixel unit, a MEMS light modulator and a manufacturing method thereof, which solves the problem that the existing light modulator pixel unit generally needs to use monochromatic light emitted by a monochromatic light source as the incident light. light issues, reducing the cost of the light modulator pixel unit

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Light modulator pixel unit and manufacturing method thereof
  • Light modulator pixel unit and manufacturing method thereof
  • Light modulator pixel unit and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0052] The inventors found that because the light modulators in the prior art usually modulate the monochromatic light emitted by the monochromatic light source, this makes the existing light modulators unable to be applied to the white light source. For example, when the existing light modulator is applied to a micro-display system (such as a mobile phone or an e-book), there may be a problem that the display of the display screen is poor or cannot be displayed under sunlight during the day. In order to solve the above problems, the inventor proposes a light modulation pixel unit, which uses the light interference principle to modulate white light. The light modulator pixel unit is mainly used in flat panel display systems and micro display systems.

[0053] The device structure of the light modulator pixel unit of the present invention will be described below.

[0054] Please refer to figure 2 , figure 2 is a schematic structural diagram of a pixel unit of a light modulato...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thicknessaaaaaaaaaa
thicknessaaaaaaaaaa
Login to View More

Abstract

An embodiment of the invention provides a light modulator pixel unit and a manufacturing method thereof. The light modulator pixel unit comprises that: an interlayer dielectric layer positioned on a substrate; a cavity in the interlayer dielectric layer; a bottom electrode, a movable electrode and a top electrode which are in the interlayer dielectric layer and have positions corresponding to the position of the cavity; an optical filter which is on the top electrode and is used for converting white light into three-primary-color light. The movable electrode has a light reflecting surface, and the top electrode is a semi-transparent metal film. By utilizing movement of the movable electrode in the cavity, a light modulator can carry out modulation on the three-primary-color light after conversion by the optical filter. The embodiment of the invention solves a problem that a present light modulator pixel unit generally needs to utilize monochromatic light emitted by a monochromatic light source as incident light, and cost of the light modulator pixel unit is reduced.

Description

technical field [0001] The invention relates to a light modulator, in particular to a light modulator pixel unit applied to a flat panel display system and a manufacturing method thereof. Background technique [0002] In a projection system, the key building block is the light modulator. Existing optical modulators include micro-electro-mechanical components (Micro-Electro-Mechanical Systems, MEMS), and the optical modulator controls the movement of the micro-electro-mechanical components by controlling electrical signals applied to the The movement modulates the light incident on the light modulator to output light with a certain gray scale. [0003] Generally, a light modulator includes a plurality of pixel units arranged in a matrix. There are two types of existing light modulator pixel units: a digital mirror device (digital mirror device, DMD) that uses the principle of light reflection and a digital mirror device that uses the principle of light diffraction. Grating ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/00B81C1/00
Inventor 毛剑宏唐德明
Owner XIAN YISHEN OPTOELECTRONICS TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com