A slide assembly for projector with active matrix moveably mounted to housing

• US 5,317,436 A
• Filed: 04/22/1992
• Issued: 05/31/1994
• Est. Priority Date: 12/31/1990
• Status: Expired due to Term

• Current Assignee: Kopin Corporation
• Original Assignee: Kopin Corporation
• Inventors: Spitzer, Mark B., Zavracky, Paul M., Salerno, Jack P.
• Primary Examiner(s): NOT, DEFINED
• Assistant Examiner(s): Parker, Kenneth
• Application Number:
  US07/872,297
• Time in Patent Office: 769 Days
• Field of Search: 359/41, 359/48, 359/59, 359/45, 359/83, 353/30, 353/31, 353/103, 353/120, 353/122, 353/DIG. 5, 358/230, 358/231, 358/60, 358/61, 40/448
• US Class Current: 349/5
• CPC Class Codes: A61B 3/113 for determining or recording eye movement
• CPC Class Codes: G02B 2027/0132 comprising binocular systems
• CPC Class Codes: G02B 2027/0138 comprising image capture systems, e.g. camera
• CPC Class Codes: G02B 2027/0187 slaved to motion of at least a part of the body of the user, e.g. head, eye
• CPC Class Codes: G02B 2027/0198 System for aligning or maintaining alignment of an image in a predetermined direction
• CPC Class Codes: G02B 27/0093 with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
• CPC Class Codes: G02B 27/017 Head mounted
• CPC Class Codes: G02B 27/0172 characterised by optical features
• CPC Class Codes: G02B 5/30 Polarising elements light-modulating devices with active elements G02F1/00
• CPC Class Codes: G02F 1/13454 Drivers integrated on the active matrix substrate G02F1/136277 takes precedence
• CPC Class Codes: G02F 1/13613 the semiconductor element being formed on a first substrate and thereafter transferred to the final cell substrate
• CPC Class Codes: G03B 21/001 Slide projectors
• CPC Class Codes: G03B 21/006 using LCD's
• CPC Class Codes: G03B 21/10 Projectors with built-in or built-on screen
• CPC Class Codes: G03B 21/2053 Intensity control of illuminating light controlled by video signal processing H04N5/74 or H04N9/31
• CPC Class Codes: G03B 21/28 Reflectors in projection beam in illumination beam G03B21/2066
• CPC Class Codes: G09G 2300/023 Display panel composed of stacked panels
• CPC Class Codes: G09G 2300/0809 Several active elements per pixel in active matrix panels
• CPC Class Codes: G09G 2300/0842 forming a memory circuit, e.g. a dynamic memory with one capacitor
• CPC Class Codes: G09G 2320/0233 Improving the luminance or brightness uniformity across the screen
• CPC Class Codes: G09G 2320/041 : Temperature compensation
• CPC Class Codes: G09G 2320/043 : Preventing or counteracting the effects of ageing
• CPC Class Codes: G09G 2340/0464 : Positioning
• CPC Class Codes: G09G 2370/042 : for monitor identification
• CPC Class Codes: G09G 3/30 : using electroluminescent panels
• CPC Class Codes: G09G 3/36 : using liquid crystals
• CPC Class Codes: G09G 3/3607 : for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels display of colours in flat matrix panels other than liquid crystal displays G09G3/2003; grey scales specific for television H04N3/127
• CPC Class Codes: G09G 3/3614 : Control of polarity reversal in general
• CPC Class Codes: G09G 3/3648 : using an active matrix G09G3/367 - G09G3/3696 take precedence
• CPC Class Codes: H01L 21/8221 : Three dimensional integrated circuits stacked in different levels
• CPC Class Codes: H01L 2221/68359 : used as a support during manufacture of interconnect decals or build up layers
• CPC Class Codes: H01L 2221/68363 : used in a transfer process involving transfer directly from an origin substrate to a target substrate without use of an intermediate handle substrate
• CPC Class Codes: H01L 25/0756 : Stacked arrangements of devices
• CPC Class Codes: H01L 27/0688 : Integrated circuits having a three-dimensional layout
• CPC Class Codes: H01L 27/12 : the substrate being other than a semiconductor body, e.g. an insulating body
• CPC Class Codes: H01L 27/1266 : the substrate on which the devices are formed not being the final device substrate, e.g. using a temporary substrate
• CPC Class Codes: H01L 27/1281 : by using structural features to control crystal growth, e.g. placement of grain filters
• CPC Class Codes: H01L 27/156 : two-dimensional arrays
• CPC Class Codes: H01L 29/66772 : Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates H01L29/66666 takes precedence; thin film FinFETs H01L29/66795
• CPC Class Codes: H01L 29/786 : Thin film transistors, i.e. transistors with a channel being at least partly a thin film transistors having only the source or the drain region on an insulator layer H01L29/0653; thin film FinFETs H01L29/785
• CPC Class Codes: H01L 29/78603 : characterised by the insulating substrate or support H01L29/78657 takes precedence
• CPC Class Codes: H01L 29/78648 : arranged on opposing sides of the channel
• CPC Class Codes: H01L 29/78654 : Monocrystalline silicon transistors
• CPC Class Codes: H01L 2924/00 : Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/0002 : Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
• CPC Class Codes: H01L 2924/09701 : Low temperature co-fired ceramic [LTCC]
• CPC Class Codes: H01L 33/0062 : for devices with an active region comprising only III-V compounds
• CPC Class Codes: H01L 33/405 : Reflective materials
• CPC Class Codes: H01S 5/0217 : Removal of the substrate
• CPC Class Codes: H04N 5/70 : Circuit details for electroluminescent devices
• CPC Class Codes: H04N 5/74 : Projection arrangements for image reproduction, e.g. using eidophor
• CPC Class Codes: H04N 5/7441 : the modulator being an array of liquid crystal cells
• CPC Class Codes: H04N 5/7491 : of head mounted projectors
• CPC Class Codes: H04N 9/3105 : for displaying all colours simultaneously, e.g. by using two or more electronic spatial light modulators simultaneous projection in colour photography G03B33/10; beam splitting or combining systems per se G02B27/10
• CPC Class Codes: H04N 9/3108 : by using a single electronic spatial light modulator
• CPC Class Codes: H04N 9/312 : Driving therefor driving of electronic spatial light modulators in displays other than projection devices G09G3/34, G09G3/36; control of liquid crystal elements G02F1/133; control of micromechanical modulators G02B26/08
• CPC Class Codes: H04N 9/3141 : Constructional details thereof details not peculiar to the presence of an electronic spatial light modulator G03B21/14
• CPC Class Codes: H04N 9/3173 : wherein the projection device is specially adapted for enhanced portability
• CPC Class Codes: H05B 33/12 : Light sources with substantially two-dimensional radiating surfaces

Abstract

A slide assembly adapted for use with a projector body, having a projector body, having a light source, an optical system and a chamber in which an image forming element can be placed. The slide assembly has a housing adapted to be positioned over the slide projector body with an active matrix display slide movably mounted to housing with a storage position in the housing and an operating position outside the housing. In the operating position the display slide is positioned in a slide projector chamber for projection of an image onto an external viewing surface.

Claims

1. A slide assembly for a display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising:

a housing adapted to be positioned over a slide projector body;

an active matrix display slide movably mounted to the housing and having a storage position within the housing and an operating position outside of the housing, the display slide being movable from the storage position into the operating position such that the display slide can be positioned in a slide projector chamber when the display slide is in the operating position for selectively transmitting light from the light source to the optical system for projection of an image formed on the active matrix display slide onto the external viewing surface.

2. The slide assembly of claim 1 wherein the housing comprises an electronics unit for actuating the display slide, the actuated display slide selectively transmitting light to provide images.

3. The slide assembly of claim 2 wherein the electronics unit is adapted to receive computer data, the electronics unit responsive to the computer data actuating the display slide, the actuated display slide selectively transmitting light to provide computer-based images.

4. The slide assembly of claim 2 wherein the electronics unit is adapted to receive video signals, the electronics unit responsive to the video signal actuating the display slide, the actuated display slide selectively transmitting received light to produce video-based images.

5. The slide assembly of claim 1 wherein the display slide is adapted to produce multi-color images.

6. The slide assembly of claim 1 wherein the display slide comprises a light valve matrix secured between a pair of optically transmissive layers.

7. The slide assembly of claim 6 wherein the light valve matrix is secured to at least one of said optically transmissive layers with an adhesive.

8. The slide assembly of claim 1 wherein the display slide comprises a light valve matrix which comprises an array of transistors being formed in a semiconductor material, an array of electrodes with each electrode being electrically connected to at least one transistor and a light transmitting material through which received light from the light source is selectively transmitted.

9. The slide assembly of claim 8 wherein the light transmitting material comprises liquid crystal.

10. The slide assembly of claim 8 wherein the semiconductor material comprises single crystal silicon.

11. The slide assembly of claim 8 wherein each light valve comprises at least one transistor, an electrode and the light transmitting material.

12. The slide assembly of claim 8 wherein the display slide further comprises a driver circuit electrically connected to the light valve matrix for actuating the light valves.

13. The slide assembly of claim 1 further comprising an elongated arm having a proximal end coupled to the housing at a pivot point and a distal end coupled to the display slide such that the display slide is moved from the storage position into the operating position by a rotation of the arm about the pivot point.

14. The slide assembly of claim 1 wherein the display slide is linearly moved from the storage position into the operating position.

15. A slide assembly for light display adapted for use with a slide projector having a projector body, a light source, an optical system and a chamber in which an image forming element can be placed for projection onto an external viewing surface, the slide assembly comprising:

a housing adapted to be positioned on a slide projector body;

an electronics unit positioned within the housing; and

an active matrix display slide electrically connected to an actuated by the electronics unit, the display slide moveable from a storage position within the housing to an operational position outside of the housing and being adapted to be positioned in a slide projector chamber when in the operational position for selectively transmitting light from the light source to provide images to the optical system for projection onto the external viewing surface.

16. The slide assembly of claim 15 further comprising an elongated arm having a proximal end coupled to the housing at a pivot point and a distal end coupled to the display slide such that the display slide is moved from the storage position into the operating position by a rotation of the arm about the pivot point.

17. The slide assembly of claim 15 wherein the display slide is linearly moved from the storage position into the operating position.

18. The slide assembly of claim 15 wherein the electronics unit is adapted to receive computer data, the electronics unit responsive to the computer data actuating the display slide, the actuated display slide selectively transmitting light to provide computer-based images.

19. The slide assembly of claim 15 wherein the electronics unit is adapted to receive video signals, the electronics unit responsive to the video signals actuating the display slide, the actuated display slide selectively transmitting received light to provide video-based images.

20. The slide assembly of claim 15 wherein the display slide is adapted to provide multi-color images.

21. The slide assembly of claim 15 wherein the display slide comprises a light valve matrix which comprises an array of transistors being formed in a semiconductor material, an array of electrodes with each electrode being electrically connected to at least one transistor and a light transmitting material through which received light from the light source is selectively transmitted.

22. The slide assembly of claim 21 wherein the light transmitting material comprises liquid crystal.

23. The slide assembly of claim 21 wherein the display slide further comprises a driver circuit electrically connected to the light valve matrix for actuating the light valves.

24. The slide assembly of claim 23 wherein the semiconductor material comprises a thin film of single crystal silicon material.

25. A light valve assembly for a display adapted for use in a slide projector, the assembly comprising:

an electronics unit within a housing adapted to be positioned over a slide projector;

a light valve module comprising a light valve array, each light valve of the light valve array including a transistor, an electrode and a material through which light can be selectively transmitted, each light valve being actuatable by a transistor, the light valve array being electrically connected to and controlled by the electronics unit, the module being moveable from a protected storage position within the housing to an exposed operational position outside of the housing adapted to be inserted into the slide projector such that the light valve array selectively transmits light via actuated light valves to provide projected images.

26. The light valve assembly of claim 25 wherein the array of transistors are formed in or on a semiconductor material.

27. The light valve assembly of claim 26 further comprising a driver circuit formed in or on the semiconductor material and connected to the electronics unit such that each transistor is electrically connected to and selectively driven by the driver circuit.

28. The light valve assembly of claim 26 wherein the semiconductor material comprises a thin film of single crystal silicon.