CN204462597U - Miniature projection optical device and head-mounted display - Google Patents
Miniature projection optical device and head-mounted display Download PDFInfo
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- CN204462597U CN204462597U CN201520150970.XU CN201520150970U CN204462597U CN 204462597 U CN204462597 U CN 204462597U CN 201520150970 U CN201520150970 U CN 201520150970U CN 204462597 U CN204462597 U CN 204462597U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 73
- 238000005286 illumination Methods 0.000 claims abstract description 35
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 31
- 238000003384 imaging method Methods 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 18
- 230000010287 polarization Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model provides a miniature projection optical device and head-mounted display. The projection optical device of the utility model comprises an imaging module, an illumination module and an image/data processing module; the imaging module comprises a lens group unit which can project the image on the liquid crystal display unit into human eyes, so that a user can directly observe the image on the display unit without a screen; the illumination module comprises a three-color light emitting diode serving as a light source, a collimating mirror unit, a micro-lens array unit and a light collecting mirror unit, wherein the light collecting mirror unit is used for homogenizing light of the light source and providing illumination to the liquid crystal display unit; the image/data processing module comprises an input unit for receiving external image/data and an image/data processing unit for identification so as to provide instant information for users. The utility model discloses because of using three-colour emitting diode as the light source, can avoid using the color light filter, reach lightweight efficiency.
Description
Technical field
The utility model is about a kind of projecting optical device and head-mounted display, and is particularly to a kind of lightweight miniature projection optical device and head-mounted display.
Background technology
Head mounted display can be divided into optical profile type see-through display and video type see-through display.Optical profile type see-through display is by the correct orientation of spectroscope pendulum before user, makes the image of computer monitor reflect the sight line entering user, the light penetration of context still can be allowed again to come in.Video type see-through display is then contrary; its uses originally is TV special efficacy and the video mix technology developed; the image that wear-type video camera (head-mounted camera) transmits is combined with the image of synthesis, and the image after merging can be presented on an opaque head mounted display usually.By meticulous design, image processor is located, allow its sight line of light path closely user's eyes, therefore can simulate the image that user can see usually.
Existing optical profile type perspective head mounted display adopts liquid crystal display, and the display unit that such as notebook computer is common, liquid crystal display is from back illuminated via fluorescent tube.Because traditional type illumination module is utilize color filter and assist type white backlight source will gain in weight and manufacturing cost, there is demand in the optical profile type perspective head mounted display with light weight and low cost.
Utility model content
Because described in above-listed, there is demand in lightweight miniature projection optical device and head-mounted display, the utility model is provide a light-weighted miniature projection optical device, and is particularly to head mounted display (the head-mounted display of a kind of optical profile type perspective; HMD).
According to the purpose of this utility model, propose a miniature projection optical device, comprise: an imaging modules, comprise a liquid crystal display, receive an electronic signal, and based on this electronic signal, form an electronic signal image and be projected to the eyes of user; One illumination module, comprises a Tricolor LED, is the light source of this illumination module; And, a microlens array unit, the light of this light source of homogenising, and provide illumination to liquid crystal display.
In an embodiment, this liquid crystal display is a liquid crystal on silicon display panel, and wherein this Tricolor LED is a burst of column Tricolor LED, and wherein this microlens array unit is an one chip microlens array.
In an embodiment, this imaging modules also comprises a lens set unit and a spectroscope unit, electronic signal image projection on this liquid crystal display in conjunction with an external image and this electronic signal image, is entered human eye by this spectroscope unit by this lens set unit.
In an embodiment, this imaging modules also comprises a polarization spectroscope unit, this polarization spectroscope unit polarization from this illumination module uniform light and provide illumination to this liquid crystal display.
In an embodiment, this illumination module is the light by this microlens array unit, a collimation mirror unit and this light source of collecting lens unit homogenising.
In an embodiment, this illumination module is utilize look sequence method to reach the mixed light of different colours, to provide Uniform Illumination to this liquid crystal display.
In an embodiment, also comprise one image/data processing module, this image/data processing module comprises one image/data input cell, one image/data processing unit and a signal output unit, this image/data input cell receives external image/data, and carry out image/data processing by this image/data processing unit, the image/data after image/data processing are sent on this liquid crystal display with electronic signal form and observe for user by this signal output unit.
According to the purpose of this utility model, reintroduce a kind of optical perspective head-mounted display, comprise aforementioned miniature projection optical device and all modules thereof.
In an embodiment, this optical perspective head-mounted display also comprises a main frame, and wherein this main frame has at least one circuit board, multiple I/O unit, multiple sensing cell and at least one battery.
In an embodiment, this optical perspective head-mounted display is in conjunction with glasses by an external hanging device.
In an embodiment, this external hanging device comprises a pivot and an intermediate plate, and this external hanging device is connected with this main frame by this pivot, and utilizes this intermediate plate to clamp a mirror pin of glasses.
Illumination module in light-weighted miniature projection optical device of the present utility model, cause for light source with array Tricolor LED, significantly can promote illumination, look sequence method can be utilized to reach the mixed light of different colours, and use color filter can be exempted, to reach light-weighted effect.
The utility model aforementioned aspects and other side describe in detail according to following non-limiting specific embodiment and graphicly will more be tending towards clear with reference to subsidiary.
Accompanying drawing explanation
Fig. 1 is the calcspar of miniature projection optical device.
Fig. 2 is the calcspar of optical perspective head-mounted display.
Fig. 3 is the schematic diagram of miniature projection optical device.
Fig. 4 is the side view of optical perspective head-mounted display.
Fig. 5 is the vertical view of optical perspective head-mounted display.
Fig. 6 is the A-A sectional view of optical perspective head-mounted display.
Symbol description:
100 miniature projection optical devices
20 imaging modules
201 lens set unit
202 liquid crystal displays
203 spectroscope unit
204 polarization spectroscope unit
205 electronic signal image
30 illumination module
301 Tricolor LEDs
302 collimating mirror unit
303 microlens array unit
304 collecting lens unit
40 images/data processing module
401 images/data input cell
402 images/data processing unit
403 signal output units
404 electronic signals
51 eyes
52 objects
53 external images
200 optical perspective head-mounted displays
500 optical perspective head-mounted displays
502 main frames
503 glasses
504 intermediate plates
505 pivots
Embodiment
Please refer to Fig. 1, Fig. 1 is the calcspar of a miniature projection optical device 100 of the utility model embodiment.Miniature projection optical device 100 disclosed by the present embodiment, wherein comprises imaging modules 20, illumination module 30 and one image/data processing module 40.This illumination module 30 provides illumination for imaging modules 20, and this image/data processing mould 40 groups receives external image/data and also carries out debating and know and process, and image/data are after treatment sent to imaging modules 20.
Please refer to Fig. 2, Fig. 2 is an optical perspective head-mounted display (head-mounteddisplay of the utility model embodiment; HMD) calcspar of 200.Optical perspective head-mounted display 200 disclosed by the present embodiment, wherein comprise a miniature projection optical device 100 and any one of module.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of a miniature projection optical device 100 of the utility model embodiment.Miniature projection optical device 100 disclosed by the present embodiment can be applicable to optical perspective head mounted display 200, wherein comprises imaging modules 20, illumination module 30 and one image/data processing module 40.
Wherein imaging modules 20 comprises a lens set unit 201, electronic signal image 205 projection on liquid crystal display 202 can be entered human eye, make user can observe directly the electronic signal image 205 on liquid crystal display 202 and not need screen, recycle spectroscope (beam splitter) unit 203 in conjunction with external image 53 and electronic signal image 205, to reach visual effect of wearing.Wherein, polarization spectroscope (the polarized beamsplitter in this imaging modules; PBS) unit 204, polarization from illumination module 30 uniform light and provide illumination to liquid crystal display 202.
Wherein illumination module 30, comprise the light source that a Tricolor LED (RGB LED) 301 is this illumination module, and utilize the light of a collimating mirror (collimator) unit 302 and a microlens array (micro lens array) unit 303 and this light source of a collecting lens (condenser) unit 304 homogenising, and provide Uniform Illumination to silicon-based liquid crystal display unit 202.And because using Tricolor LED to be light source, look sequence method can be utilized to reach the mixed light of different colours, and use color filter can be exempted, to reach light-weighted effect.
Wherein image/data processing module 40, this image procossing module comprises one image/data input cell 401, one image/data processing unit 402, and a signal output unit 403, this image/data input cell 401 receives external image/data and utilizes image/data processing unit 402 to carry out debating knowledge and process, image/data after processing through image/data processing unit 402 can be sent on liquid crystal display 202 with electronic signal 404, to provide user instant messages by this signal output unit 403.
When user (positions as shown in eyes 51) to be watched by the optical perspective head-mounted display 200 of the miniature projection optical device 100 of applying lightweight be positioned at the object 52 in user front time, external image 53 penetrates into the eyes 51 of user via spectroscope unit 203, also the image of some is by imaging modules 20, electronic signal image 205 projection on liquid crystal display 202 is entered the eyes 51 of user, make user can observe directly the image on liquid crystal display 202 and not need screen.
In a preferred embodiment, a miniature projection optical device 100 of the present utility model, wherein this liquid crystal display is a liquid crystal on silicon display panel, and wherein this Tricolor LED is a burst of column Tricolor LED, and wherein this microlens array unit is an one chip microlens array.
When outdoor application head mounted display at clear sky, in optical system, the adjustment of the intensity of light source is especially important, illumination module in light-weighted miniature projection optical device of the present utility model, because of with array Tricolor LED for light source, significantly can promote illumination, and utilize the light of a collimation mirror unit and an one chip microlens array unit and this light source of collecting lens unit homogenising and provide illumination to liquid crystal display, therefore when the outdoor application head mounted display of clear sky, user still can know that identification carrys out the image of light-weighted miniature projection optical device 100 since then, solve existing head mounted display and cannot know the problem of identification from the image of projection machine optical system in the outdoor of clear sky.
Please refer to Fig. 4, Fig. 4 is the side view of an optical perspective head-mounted display 500 of the utility model embodiment.Optical perspective head-mounted display 500 comprises the main frame 502 of miniature projection optical device 100 of the present utility model and optical perspective head-mounted display, main frame 502 comprises the elements such as circuit board, Trackpad, button, LED, sensor, battery, loudspeaker and microphone, and optical perspective head-mounted display 500 can coordinate commercially available arbitrary glasses 503 to use.
Please refer to Fig. 5, Fig. 5 is the vertical view of an optical perspective head-mounted display 500 of the utility model embodiment.Optical perspective head-mounted display 500 by an external hanging device as intermediate plate 504 and pivot 505 are combined with the mirror pin of glasses 503, and utilize miniature projection optical device 100 to receive external image/data and the image after process/data are observed for user, wherein optical perspective head-mounted display 500 also comprises main frame 502, main frame 502 can be used to receive user and utilizes Trackpad, button, the instruction that the input medias such as microphone input, and utilize sensor to sense ambient temperature, humidity, air pressure, the environmental informations such as acceleration, through the circuit on circuit board and chip process from after the data of input media and sensor, the imaging modules exporting loudspeaker and miniature projection optical device 100 to is listened to and viewing for user.
Please refer to Fig. 6, Fig. 6 is the A-A sectional view of an optical perspective head-mounted display 500 of the utility model embodiment.The main frame 502 of optical perspective head-mounted display 500 comprises intermediate plate 504 by an external hanging device and pivot 505 is combined with the mirror pin of glasses 503, and intermediate plate 504 is that the mirror pin of glasses 503 is held between main frame 502 and intermediate plate 504 by fulcrum with pivot 505 as shown in Figure 6.Existing its projection machine optical system of the display of wearing type glasses is on the market one-body molded with lens body, cannot arrange in pairs or groups with the original glasses accustomed to using of consumer, therefore, when consumer has the demand using wearing type glasses display, original glasses accustomed to using must be given up and buy wearing type glasses display without the number of degrees or the customized customized number of degrees in addition.
The miniature projection optical device that the present embodiment discloses can be applied to existing any glasses on the market by an external hanging device, therefore consumer can wear original glasses accustomed to using and to arrange in pairs or groups optical perspective head-mounted display 500 of the present utility model, just original glasses can be upgraded to wearing type glasses display.
Those skilled in the art when can understand, without prejudice under the utility model spirit, implements according to this case the various changes that aspect can carry out.Therefore, obvious listed enforcement aspect is also not used to limit the utility model, but attempt is under the definition of claims, is covered by the amendment made in spirit of the present utility model and category.
Claims (11)
1. a miniature projection optical device, is characterized in that, comprise:
One imaging modules, comprises
One liquid crystal display, receives an electronic signal, and based on this electronic signal, forms an electronic signal image and is projected to the eyes of user;
One illumination module, comprises
One Tricolor LED is the light source of this illumination module; And,
One microlens array unit, the light of this light source of homogenising, and provide illumination to this liquid crystal display.
2. miniature projection optical device as claimed in claim 1, it is characterized in that, this liquid crystal display is a liquid crystal on silicon display panel, and wherein this Tricolor LED is a burst of column Tricolor LED, and wherein this microlens array unit is an one chip microlens array.
3. miniature projection optical device as claimed in claim 1, it is characterized in that, this imaging modules also comprises a lens set unit and a spectroscope unit, electronic signal image projection on this liquid crystal display in conjunction with an external image and this electronic signal image, is entered human eye by this spectroscope unit by this lens set unit.
4. miniature projection optical device as claimed in claim 1, it is characterized in that, this imaging modules also comprises a polarization spectroscope unit, this polarization spectroscope unit polarization from this illumination module uniform light and provide illumination to this liquid crystal display.
5. miniature projection optical device as claimed in claim 1, is characterized in that, this illumination module is the light by this microlens array unit, a collimation mirror unit and this light source of collecting lens unit homogenising.
6. miniature projection optical device as claimed in claim 1, it is characterized in that, this illumination module, is utilize look sequence method to reach the mixed light of different colours, to provide Uniform Illumination to this liquid crystal display.
7. miniature projection optical device as claimed in claim 1, it is characterized in that, also comprise one image/data processing module, this image/data processing module comprises one image/data input cell, one image/data processing unit and a signal output unit, this image/data input cell receives external image/data, and carry out image/data processing by this image/data processing unit, the image/data after image/data processing are sent on this liquid crystal display with electronic signal form and observe for user by this signal output unit.
8. an optical perspective head-mounted display, comprises a miniature projection optical device, it is characterized in that, this miniature projection optical device has the module as described in any one of claim 1 to 7.
9. optical perspective head-mounted display as claimed in claim 8, it is characterized in that, this optical perspective head-mounted display also comprises a main frame, and wherein this main frame has at least one circuit board, multiple I/O unit, multiple sensing cell and at least one battery.
10. optical perspective head-mounted display as claimed in claim 9, it is characterized in that, this optical perspective head-mounted display is in conjunction with glasses by an external hanging device.
11. optical perspective head-mounted displays as claimed in claim 10, it is characterized in that, this external hanging device comprises a pivot and an intermediate plate, and this external hanging device is connected with this main frame by this pivot, and utilizes this intermediate plate to clamp a mirror pin of glasses.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103221406 | 2014-12-03 | ||
| TW103221406U TWM498888U (en) | 2014-12-03 | 2014-12-03 | Micro projecting optical device and head-mounted display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204462597U true CN204462597U (en) | 2015-07-08 |
Family
ID=53440676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520150970.XU Expired - Fee Related CN204462597U (en) | 2014-12-03 | 2015-03-17 | Miniature projection optical device and head-mounted display |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204462597U (en) |
| TW (1) | TWM498888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033160A (en) * | 2014-12-03 | 2016-10-19 | 移动光电科技股份有限公司 | Micro projection optical device, projection optical method and head-mounted display |
| CN106707504A (en) * | 2015-07-30 | 2017-05-24 | 比亚迪股份有限公司 | HUD display device for vehicle and vehicle having the same |
| CN110579928A (en) * | 2018-06-08 | 2019-12-17 | 中强光电股份有限公司 | Projection device and head-mounted display device |
-
2014
- 2014-12-03 TW TW103221406U patent/TWM498888U/en not_active IP Right Cessation
-
2015
- 2015-03-17 CN CN201520150970.XU patent/CN204462597U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033160A (en) * | 2014-12-03 | 2016-10-19 | 移动光电科技股份有限公司 | Micro projection optical device, projection optical method and head-mounted display |
| CN106707504A (en) * | 2015-07-30 | 2017-05-24 | 比亚迪股份有限公司 | HUD display device for vehicle and vehicle having the same |
| CN110579928A (en) * | 2018-06-08 | 2019-12-17 | 中强光电股份有限公司 | Projection device and head-mounted display device |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM498888U (en) | 2015-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20170317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |