Unlock instant, AI-driven research and patent intelligence for your innovation.

Reflection type screen and method of manufacturing reflection type screen

A manufacturing method and reflective technology, applied in optics, instruments, projection devices, etc., can solve problems such as damaged reflective film, high contact resistance, and rupture

Inactive Publication Date: 2012-07-11
SEIKO EPSON CORP
View PDF6 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when the back surface of the screen substrate is a flat surface, in a roll-up reflective screen, when the reflective screen is rolled up, the hemispherical protrusions formed on the reflective surface of the reflective screen contact with the flat surface on the back, so the contact resistance becomes larger
Therefore, there is a problem that the hemispherical protrusions and the flat surface are repeatedly peeled off and contacted by the roller rotation when the screen substrate is unfolded or stored, and the substrate is easily charged with static electricity.
Since the reflective screen is charged with static electricity, the reflective surface is contaminated by dust and the like, and there is a problem that the reflectivity of the reflective surface decreases.
In addition, since the contact resistance is large, the hemispherical protrusions on the reflective surface are broken, or the reflective film selectively formed on the hemispherical protrusions is damaged.

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
  • Reflection type screen and method of manufacturing reflection type screen
  • Reflection type screen and method of manufacturing reflection type screen
  • Reflection type screen and method of manufacturing reflection type screen

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0032] figure 1 It is a schematic diagram showing the installed state of the reflective screen device 1 according to the first embodiment. refer to figure 1 , the general structure and operation of the reflective screen device 1 of this embodiment will be briefly described.

[0033] The reflective screen device 1 of the present embodiment is a device of a type placed on a floor surface F or the like. The reflective screen device 1 rolls the reflective screen 2 upward (in a direction substantially perpendicular to the floor surface F) from inside a rectangular parallelepiped box-shaped housing 3 . In addition, the reflective screen 2 is in a usable state standing upright on the floor surface F. As shown in FIG. In addition, the reflective screen 2 reflects the projected light Lp emitted from the projector PJ placed near the reflective screen device 1 on the top surface D (or the floor surface F) of a desk or the like toward the observer. of.

[0034] exist figure 1 In the...

no. 2 Embodiment approach

[0072] Figure 5 It is a schematic diagram showing the concavo-convex shape forming step 150 and the substrate deforming step 160 according to the second embodiment. refer to Figure 5 Next, the transfer steps (the uneven surface transfer step 151 and the concave surface transfer step 161 ) in the uneven shape forming step 150 and the substrate deforming step 160 of the present embodiment will be described.

[0073] The reflective screen 2 of the present embodiment differs from the reflective screen 2 of the first embodiment in the manufacturing method. In detail, the embossing apparatus 200 which consists of a planar mold is used for the transfer process (concave-convex surface transfer process 111, concave surface transfer process 121) of 1st Embodiment. On the other hand, this embodiment is different in that the transfer process (concavo-convex surface transfer process 151, concave surface transfer process 161) is performed using the embossing apparatus 300 which consists...

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

No PUM Login to View More

Abstract

The invention relates to a reflection type screen capable of reducing contact resistance between a reflection surface and a rear surface of a screen base, and to a method of manufacturing this reflection type screen. A reflection type screen (2) includes a sheet-shaped base (screen base 21) which is flexible and has a first surface (base front surface) reflecting projection light and a second surface (base rear surface 21A) as the surface opposite to the first surface (base front surface 21A). The second surface (base rear surface 21B) has an uneven shape (uneven surface 22). The uneven shape (uneven surface 22) is uniformly formed. The uneven shape (uneven surface 22) has crimps.

Description

technical field [0001] The invention relates to a reflective screen and a manufacturing method of the reflective screen. Background technique [0002] Conventionally, there is known a reflective screen that reflects projection light output from a projection display device such as a projector to display an image. This reflective screen uses a sheet-like synthetic resin substrate, and has a plurality of hemispherical patterns formed on a surface (reflective surface) that reflects projected light. In addition, a flat substrate surface is usually exposed without any processing on the surface (back surface) on the opposite side (opposite side) to the reflection surface that reflects the projected light. [0003] In addition, Patent Document 1 discloses a method for manufacturing a reflective screen, that is, on a base material (screen substrate) having a plurality of recesses or protrusions formed on the viewing surface, a method is disclosed from an oblique direction with respe...

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): G03B21/60G03B21/56G02B5/08G02B5/10G03B21/602
CPCG03B21/602
Inventor 北林雅志
Owner SEIKO EPSON CORP