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Image display screen, method for producing image display screen and image display

An image display and screen technology, applied in the manufacture of discharge tubes/lamps, image reproducers and picture duplicators using projection devices, etc., can solve the problems of room darkening, things cannot be seen, inconvenience, etc., and achieve simplicity The effect of encapsulation

Inactive Publication Date: 2004-04-07
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult to darken a room in an ordinary house during the day
Even at night, if the lighting is turned off to darken the room, nothing but the displayed image can be seen, which is inconvenient

Method used

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  • Image display screen, method for producing image display screen and image display
  • Image display screen, method for producing image display screen and image display
  • Image display screen, method for producing image display screen and image display

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Embodiment Construction

[0067] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

[0068] Structure of the image display screen

[0069] The image display screen according to the present invention has a structure in which a light absorbing layer 13, a light control layer 18 and an external light reducing layer 19 are sequentially laminated on the front of a base member 15, as figure 1 shown. The light control layer 18 has a scattering imaging function, a reflective wavelength selection function, and a gain control function. When constructing this image display screen in an image display, the image display light is projected onto the screen by a projection imaging device, such as figure 1 Indicated by the middle arrow A.

[0070] As will be described below, when the image display screen is constructed in an image display, the image display light projected by the projection imaging device having the wavelengths λr, λg, and λb is transmi...

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PUM

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Abstract

A screen for image display apparatus according to the present invention has a base member, a light absorption layer formed on the base member and adapted for absorbing light of a visible light range, and a light control layer formed on the light absorption layer. The light control layer reflects projected image display light to form an image and has a reflection wavelength selection function of selectively reflecting light of the wavelength range of the image display light. By using the screen for image display apparatus according to the present invention, a user can easily enjoy large-screen image display even in a bright environment.

Description

technical field [0001] The present invention relates to an image display screen for displaying an image when the image display projects image display light thereon; a method for manufacturing such an image display screen; and an image display for projecting and displaying on the screen An image corresponding to image information. [0002] This application claims priority from Japanese Patent Application No. 2002-203179 filed on July 11, 2002, the entire contents of which are hereby incorporated by reference. Background technique [0003] Generally, an image display called "front projection" is proposed as an image display that enables users to easily enjoy large-screen images. [0004] As such an image display device, it is proposed to use an image display device having three cathode ray tubes (CRT) for displaying R (red), G (green) and B (blue) components of an image, so that the components generated by these cathode rays The image displayed by the tube passes through the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/56G02B5/02G03B21/62H01J9/227
CPCG02B5/0226H01J9/2273G02B5/0284G03B21/62G03B21/56
Inventor 梅屋慎次郎田中义礼
Owner SONY CORP
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