CN100559261C - Projector - Google Patents
Projector Download PDFInfo
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- CN100559261C CN100559261C CNB2006101080333A CN200610108033A CN100559261C CN 100559261 C CN100559261 C CN 100559261C CN B2006101080333 A CNB2006101080333 A CN B2006101080333A CN 200610108033 A CN200610108033 A CN 200610108033A CN 100559261 C CN100559261 C CN 100559261C
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- light
- those
- projector
- eyeglasses
- illuminator
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Abstract
A kind of projector that exchanges camera lens and absorber of light position, it has broken through the strictness of relativeness restriction between the optical element in traditional projector, to increase the degree of freedom of projector on light path design significantly.This projector comprises processor, illuminator, digital micro-mirror assembly and camera lens.Processor is converted to several complementary pixel datas with several pixel datas, and produces several corresponding micro mirror control signals.Illuminator is in order to directing light.The digital micro-mirror assembly receives and reflection ray, comprise several eyeglasses, those eyeglasses are arranged on first direction or second direction according to those micro mirror control signals, when those eyeglasses are arranged on first direction, those eyeglasses reflect this light near illuminator, when those eyeglasses were arranged on second direction, those eyeglass reflection rays were away from illuminator.Camera lens receives the light by the eyeglass reflection of second direction, and with ray cast to screen, show image whereby.
Description
Technical field
The invention relates to a kind of projector, and particularly about a kind of projector that exchanges the position of camera lens and absorber of light.
Background technology
Figure 1A illustrates the index path of eyeglass when second state of digital micro-mirror assembly in traditional projector.The light that bulb 12 is sent focuses on color separation runner (not shown) via lampshade, and the three primary colors of generation converge at illuminator (illuminate optics) 14.In general, illuminator 14 comprises even light pipe, collector lens group, catoptron and concave mirror or the like, and its function is light is shone equably in digital micro-mirror assembly (Digital Micromirror Device, DMD) 6.Digital micro-mirror assembly 6 comprises several eyeglasses 16a.Each eyeglass all turns and switches to first state or second state.When eyeglass 16a in second state following time, can be with reflection ray away from illuminator 14 to absorber of light (light absorber) 18.
Figure 1B marks the light path synoptic diagram of eyeglass when first state of digital micro-mirror assembly in traditional projector.When eyeglass 16b in first state following time, can enter camera lens 8 near illuminator 14 by reflection ray, whereby, image is projeced on the screen 22 by projection lens 8.
Yet, digital micro-mirror assembly 6 be according to control signal rotating the direction of eyeglass, and eyeglass only can turn to first state or second state, can not change direction arbitrarily.Therefore in traditional projector, it is online that absorber of light 18 can only be configured in the extension of the reflection ray of eyeglass under second state.Simultaneously, camera lens 8 can only be configured in the direction of the reflection ray of eyeglass under first state, shown in Figure 1A and Figure 1B.Just because of this, must be placed in ad-hoc location in order to camera lens and the absorber of light of accepting reflection ray, and in order to produce the assembly of incident ray, for example be light source, optical module or the like, it puts the position and angle also is restricted indirectly.Say that further the relativeness between the optical module of traditional projector is subjected to very harsh restriction, reduce the degree of freedom of projector on light path design significantly.Simultaneously, retrained the exterior design of traditional projector indirectly and be difficult to have breakthrough.
Summary of the invention
In view of this, purpose of the present invention just provides a kind of projector and display packing thereof, is to utilize a processor that the pixel data of image is converted to complementary pixel data, makes complementary pixel data show the surplus look of the color that corresponding pixel data shows.And by changing the allocation position of camera lens with the light absorption district, cooperating complementary pixel data, and then the color of the pixel data of demonstration raw video, make the light path design of projector and external form to change to some extent.
According to purpose of the present invention, propose a kind of projector and comprise processor, illuminator, digital micro-mirror assembly and camera lens.Processor is converted to several complementary pixel datas with several pixel datas, and produces several corresponding micro mirror control signals, and every pixel data is in order to display color, and every complementary pixel data is in order to the surplus look of the color that shows corresponding pixel data.Illuminator is in order to directing light.Digital micro-mirror assembly (Digital Micromirror Device, DMD) be to receive and reflection ray, the digital micro-mirror assembly comprises several eyeglasses, those eyeglasses are arranged on first direction or second direction according to those micro mirror control signals, when those eyeglasses are arranged on first direction, those eyeglasses reflect this light near illuminator, and when those eyeglasses were arranged on second direction, those eyeglass reflection rays were away from illuminator.Camera lens receives the light by the eyeglass reflection of second direction, and with ray cast to screen, show image whereby.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Figure 1A illustrates the index path of eyeglass when second direction of digital micro-mirror assembly in traditional projector.
Figure 1B marks the light path synoptic diagram of eyeglass when first direction of digital micro-mirror assembly in traditional projector.
Fig. 2 illustrates the calcspar of the projector of the preferred embodiments of the present invention.
Fig. 3 A illustrates the light path synoptic diagram of an eyeglass when first direction of the projector of Fig. 2.
Fig. 3 B illustrates the light path synoptic diagram of an eyeglass when second direction of the projector of Fig. 2.
The primary clustering symbol description
6: the digital micro-mirror assembly
8: camera lens
10: projector
12: light source
14: illuminator
16a, 16b: eyeglass
18: absorber of light
22: screen
100: projector
102: processor
106: the digital micro-mirror assembly
108: camera lens
112: light source
114: illuminator
116,116a, 116b: eyeglass
118: absorber of light
120: computing machine
122: screen
Embodiment
Please refer to Fig. 2, it illustrates the calcspar of the projector of the preferred embodiments of the present invention.The projector 100 of present embodiment comprises processor 102, digital micro-mirror assembly 106, camera lens 108 and absorber of light 118.And projector 100 preferably is connected with computing machine 120, makes computing machine 120 be transmitted the processor 102 of several pixel datas to projector 100.Processor 102 produces several complementary pixel datas according to this according to these a little pixel datas.Each pixel data for example is red, green or blue in order to show a color.Each complementary pixel data for example is cyan (Cyan), magenta (Magenta) or yellow in order to show the surplus look of corresponding pixel data, and is optically complementary with redness, green and blueness respectively.
Digital micro-mirror assembly 106 is controlled by the micro mirror control signal of processor 102 outputs, makes several eyeglasses 116 switch to first direction or second direction respectively, light is reflexed to camera lens 108 or absorber of light 118.
Please refer to Fig. 3 A, it illustrates the light path synoptic diagram of eyeglass when first direction of the projector of Fig. 2.As eyeglass 116b during at first direction, to absorber of light 118, and light can't be projected on the screen 122 by camera lens 108 light of reflective illumination system 114 near this illuminator 114.Absorber of light 118 receives the light by the eyeglass 116b reflection of first direction, and absorber of light 118 is made of non-reflective material.
Please refer to Fig. 3 B, it illustrates the light path synoptic diagram of an eyeglass when second direction of the projector of Fig. 2.When eyeglass 116a under second direction, the light of reflective illumination system 114 away from illuminator 114 to camera lens 108.Camera lens 108 receives the light by the eyeglass 116a reflection of second direction, and according to this with ray cast to screen 122, show image whereby.
Please refer to Fig. 2, for instance, when on behalf of the color of desire demonstration, a pixel data of processor 102 receptions be black, processor 102 produced a complementary pixel data, and the color that on behalf of desire, this complementary pixel data show is white.Processor 102 is according to these a little complementary pixel datas, produce the micro mirror control signal to switch corresponding eyeglass 116 to first direction, make the light that is projected to eyeglass 116 reflex to absorber of light 118, present the pairing black color of pixel data so as to making camera lens 108.
Be noted that because the pixel data of present embodiment is through the secondary conversion, corresponding to the image of former number of picture elements certificate can be correct show.Pixel data is converted to complementary pixel data through processor, is conversion for the first time.Compared to traditional projector, the camera lens of present embodiment and the location swap of absorber of light are conversion for the second time.When the eyeglass position under first direction, with originally reflexing to the light of camera lens, reflex to absorber of light in the present embodiment.When the eyeglass position under second direction, originally reflex to the light of absorber of light, reflex to camera lens in the present embodiment.
The disclosed projector of present embodiment is by pixel data being converted to complementary pixel data, and the position of exchange camera lens and absorber of light, make camera lens and absorber of light be confined to certain location, can increase the variability of appearance design because of the design of digital micro-mirror assembly; Secondly, increase the distance of camera lens and other assembly (for example being optical module in light source, the illuminator or the like), can improve the degree of freedom of light path design, arrangement of components.Therefore, the disclosed projector of present embodiment can change its light path design, makes the external form of projector that more variation be arranged, and meets the trend of electronic product seeking change and innovation on external form at present.
In sum; though the present invention with a preferred embodiment openly as above; right its is not in order to limit the present invention; any insider; without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (6)
1. a projector is characterized in that, described projector comprises at least:
One processor, many pixel datas are converted to many complementary pixel datas, and produce corresponding a plurality of micro mirror control signals, and each pixel data is in order to showing a color, each those complementary pixel data is in order to the surplus look of this color of showing corresponding pixel data;
One illuminator is in order to guide a light;
One digital micro-mirror assembly, reception is also reflected this light, this digital micro-mirror assembly comprises a plurality of eyeglasses, those eyeglasses are arranged on a first direction or a second direction according to those micro mirror control signals, when those eyeglasses are arranged on this first direction, those eyeglasses reflect this light near this illuminator, and when those eyeglasses were arranged on this second direction, those eyeglasses reflected this light away from this illuminator; And
One camera lens receives this light by this eyeglass reflection of this second direction, and with this ray cast to one screen, shows an image whereby.
2. projector according to claim 1 is characterized in that, the shown color of those pixel datas is red, green or blue.
3. projector according to claim 2 is characterized in that, the shown surplus look of those complementary pixel datas is cyan, magenta or yellow, and is optically complementary with redness, green and blueness respectively.
4. projector according to claim 1 is characterized in that, those pixel datas are by computing machine output, and this computing machine is connected with this projector, in order to transmit those pixel datas.
5. projector according to claim 1 also comprises:
One absorber of light receives this light by this eyeglass reflection of this first direction.
6. projector according to claim 5 is characterized in that this absorber of light is made of non-reflective material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101080333A CN100559261C (en) | 2006-07-24 | 2006-07-24 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101080333A CN100559261C (en) | 2006-07-24 | 2006-07-24 | Projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101114108A CN101114108A (en) | 2008-01-30 |
| CN100559261C true CN100559261C (en) | 2009-11-11 |
Family
ID=39022516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101080333A Expired - Fee Related CN100559261C (en) | 2006-07-24 | 2006-07-24 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100559261C (en) |
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2006
- 2006-07-24 CN CNB2006101080333A patent/CN100559261C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101114108A (en) | 2008-01-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20100724 |