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

Optical device, optical device manufacturing method, and projector

An optical device and optical image technology, which can be applied to optics, projection devices, signal devices, etc., can solve the problem of difficult positioning of light modulation elements, and achieve the effect of firm support.

Inactive Publication Date: 2008-11-19
SEIKO EPSON CORP
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the light modulation element is properly positioned with respect to the optical axis of the light beam emitted from the light source, or when the light modulation element is shifted from an appropriate position, processing such as bending the tube must be performed. Changing the position of the cooling chamber makes it difficult to position the light modulation element

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
  • Optical device, optical device manufacturing method, and projector
  • Optical device, optical device manufacturing method, and projector
  • Optical device, optical device manufacturing method, and projector

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment

[0089] Embodiments of the present invention will be described below with reference to the accompanying drawings.

[0090] (Structure of the projector)

[0091] FIG. 1 is a diagram schematically showing the configuration of a projector.

[0092] The projector 1 modulates light beams emitted from a light source in accordance with image information to form an optical image, and magnifies the formed optical image to project it on a screen. The projector 1 comprises a housing 2, a cooling assembly 3, an optical assembly 4, and a projection lens 5 as projection optics.

[0093] In addition, in FIG. 1, inside the housing 2, in the space other than the cooling assembly 3, the optical assembly 4 and the projection lens 5, a power supply assembly, a lamp driving circuit, etc. are provided, although the illustration of this point is omitted.

[0094] The housing 2 is made of synthetic resin or the like, and accommodates the cooling unit 3 , the optical unit 4 and the projection lens 5 ...

no. 2 Embodiment

[0250] Next, a second embodiment of the present invention will be described with reference to the drawings.

[0251] In the following description, the same structures and components as those of the above-mentioned first embodiment are assigned the same reference numerals, and their specific descriptions are omitted or simplified.

[0252] The difference between this embodiment and the above-mentioned first embodiment is only that a fluid circulation member 448A is additionally supported on the polarizing plate fixing member 5408B for pressing and fixing the output side polarizing plate to the frame-shaped member 4406 constituting the optical device main body 540, Support 5408B3 of 448B, 448C, 448D. Other structures are the same as those of the above-mentioned first embodiment.

[0253] Specifically, Figure 10 It is a perspective view showing the structure of the polarizing plate fixing member 5408B.

[0254] In the polarizing plate fixing member 5408B as a light-transmitti...

no. 3 Embodiment

[0264] The following description will be made based on the third embodiment of the present invention.

[0265] In the following description, the same structures and components as those of the above-mentioned first embodiment use the same symbols, and the specific descriptions thereof are omitted for simplification.

[0266] This embodiment differs from the first embodiment described above in that a supporting member 6410 for supporting the fluid circulation members 448A, 448B, 448C, and 448D is added to the optical device main body 640 . Other structures are the same as those of the aforementioned first embodiment.

[0267] Specifically, Figure 12 It is a perspective view showing the structure of the supporting member 6410 .

[0268] Figure 13 It is a perspective view showing a state in which the optical device main body 640 having the supporting member 6410 is assembled.

[0269] The supporting member 6410 is composed of a substantially rectangular plate, and is attache...

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

Exemplary embodiments provide an optical device, optical device manufacturing method, and projector that can easily position an optical modulation element in a predetermined position. The optical device includes an optical modulation element holder to hold an optical modulation element thereon so as to be able to transfer heat to cooling fluid within cooling chambers, a plurality of fluid circulation members connected in communication to the cooling chambers, and a cooling fluid relay section that, disposed at a predetermined position relative to the optical axis of a luminous flux emitted from a light source, relays cooling fluid transferred via the plurality of fluid circulation members. Out of the plurality of fluid circulation members, fluid circulation members whose one-side end are connected in communication to the cooling chambers of the optical modulation element holder are formed so that the another-side end thereof protrudes toward a luminous flux emergent side. Insertion holes capable of receiving therethrough the another-side end of the fluid circulation members are formed in a cooling fluid relay section.

Description

technical field [0001] The present invention relates to an optical device, a manufacturing method of the optical device, and a projector. Background technique [0002] In recent years, there has been known a projector that includes a light modulation device that modulates a light beam emitted from a light source in accordance with image information to form an optical image, and that enlarges and projects the light beam modulated by the light modulation device. projection optics. [0003] Among them, as the light modulation device, for example, an active matrix drive type light modulation element in which an electro-optical material such as liquid crystal is hermetically sealed between a pair of substrates is generally used. Specifically, a pair of substrates constituting the light modulating element is composed of a driving substrate and a counter substrate. The driving substrate is provided on the beam emitting side, and data lines, scanning lines, and switches for applyin...

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 Patents(China)
IPC IPC(8): G03B21/16G02F1/13G02F1/01G03B21/00G03B21/14
CPCH04N9/3144H04N9/3105G03B21/16G02F1/133385F21S41/29F21S41/39F21S45/10
Inventor 北林雅志桥爪秀敏
Owner SEIKO EPSON CORP