CN103034037A - Projector - Google Patents
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- CN103034037A CN103034037A CN201210488766XA CN201210488766A CN103034037A CN 103034037 A CN103034037 A CN 103034037A CN 201210488766X A CN201210488766X A CN 201210488766XA CN 201210488766 A CN201210488766 A CN 201210488766A CN 103034037 A CN103034037 A CN 103034037A
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Abstract
The invention discloses a projector. The projector comprises a video interface, a control circuit, a red-green-blue (RGB) three-primary-light generating unit, a brightness modulation unit, a lens unit, a light path switching unit and a dodging unit, wherein the light path switching unit is arranged in a light path where the RGB three-primary-light generating unit, the brightness modulation unit and the lens unit are located, and is used for transmitting received RGB three primary light beams in a transmission mode, changing transmission directions of the received RGB three primary light beams in a lighting mode, and outputting the received RGB three primary light beams to the dodging unit. The dodging unit is used for amplifying the received RGB three primary light beams and scattering the received RGB three primary light beams into scattered light beams transmitted in all directions. According to the projector, the projector can be used as a lighting source under the condition that an external light source is not used.
Description
Technical field
The present invention relates to image projection technology, particularly a kind of projector.
Background technology
Projector is a kind of office equipment commonly used in the modern society, and general being used for is presented at projection screen with literal, image, the video information of the output of the equipment such as computing machine, watches the needs of large display frame to satisfy people.Development along with projector's technology, the progress of projector light source technology, now can produce the light source of a lot of long-lives, high light efficiency, therefore the performances such as the projection brightness of projector, contrast also progressively are improved, projector has also progressed into family, become after televisor the Equations of The Second Kind multimedia display equipment in the family.
Fig. 1 is the structural representation of projector of the prior art.As shown in Figure 1, projector of the prior art mainly comprises: video interface 11, control circuit 12, RGB three primary colours light generation unit 13, luminance brightness modulating unit 14 and lens unit 15.
Wherein, described control circuit 12 is used for according to the demonstration information by described video interface 11 receptions, to described RGB three primary colours light generation unit 13 sending controling instructions;
Described RGB three primary colours light generation unit 13 is used for producing corresponding RGB three primary colours light beam according to described steering order, and the RGB three primary colours light beam that produces is outputed to described optical modulation element 14;
Described luminance brightness modulating unit 14 is used for described RGB three primary colours light beam is modulated, and the RGB three primary colours light beam after the output modulation;
Described lens unit 15 be used for size and the shooting angle of the RGB three primary colours light beam after the modulation are adjusted, and the light beam after will adjusting projects on the projection screen.
In the projector of above-mentioned prior art, be provided with lighting source in the described RGB three primary colours light generation unit 13.Described lighting source can be: the combination of ultrahigh pressure mercury lamp, metal halid lamp, xenon lamp, laser, LED lamp and laser and LED lamp etc.According to the difference of lighting source type, it is different that RGB three primary colours light generation unit 13 produces the working mechanism of RGB three primary colours light beams, but final what export is parallel or the RGB three primary colours light beam of serial output.
Described luminance brightness modulating unit 14 can be: digital micro-mirror (DMD), LCD, LCos etc.
Described luminance brightness modulating unit 14 can be divided into one chip, two-chip type and three-chip type according to type.The luminance brightness modulating unit of one chip can timesharing be modulated the RGB three primary colours light beam that passes through successively, and the scioptics unit, and the RGB three primary colours light beam after the modulation is projected on the projection screen.And the luminance brightness modulating unit of two-chip type and three-chip type, then be that every luminance brightness modulating unit is modulated respectively RGB three primary colours light, then by closing the synthetic light beam of light optical element, the RGB three primary colours light beam after the scioptics unit will be modulated again projects on the projection screen.
In the projector of above-mentioned prior art, although projector inside is provided with lighting source, because the restriction of the direction propagation of projection image's light beam, therefore projector of the prior art is general and be not suitable as common indoor illumination and use.
In order to be used for room lighting, a kind of Intelligent lamp-type projection TV and a kind of pendent lamp with function of projector have been proposed in the prior art.But, the employed light source of above-mentioned projection TV and pendent lamp all is arranged on the light source that adds outside the projector, for example, luminescent lamp and a plurality of LED lamp, and be not lighting source in the projector, therefore do not utilize the lighting source in the projector, need in addition the configuration luminophor as lighting source, so increased manufacturing cost, nor can colorful various illuminating effect.In addition, above-mentioned pendent lamp can only throw the content of projection on the ground, and can not use as common projector, project content can't be projected on the projection screen perpendicular to ground.
Summary of the invention
According to the present invention, a kind of projector is provided, thus can be in the situation that do not use external light source that described projector is used as lighting source.
According to a kind of projector of the present invention, comprising: video interface, control circuit, RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit, this projector also further comprises: optical path switch module and even light unit; Wherein,
Described optical path switch module, be arranged on the light path at described RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place, be used for the received RGB three primary colours light beam of transmission when transmission mode, when light illumination mode, change the direction of propagation of received RGB three primary colours light beam, and received RGB three primary colours light beam is outputed to described even light unit;
Described even light unit is used for received RGB three primary colours light beam amplification is scattering into each to the scattered beam of propagating.
Wherein, the RGB three primary colours light beam that generates of described RGB three primary colours light generation unit can be: the homogeneous beam that generates successively according to the circular order of red, green, blue.
Wherein, described optical path switch module is arranged between described RGB three primary colours light generation unit and the luminance brightness modulating unit.
Wherein, described optical path switch module is arranged between described luminance brightness modulating unit and the lens unit.
Wherein, described optical path switch module is arranged between described lens unit and the projection screen.
Wherein, described optical path switch module comprises: guide rail frame, catoptron and handle; Wherein,
Described guide rail frame comprises: two crossbeams that are parallel to each other with described two vertical beams that beam vertical is connected; Be provided with sliding tray on described two crossbeams;
The upper/lower terminal of described catoptron embeds in the sliding tray on described two crossbeams, and can slide along described sliding tray; The length at the up and down two ends of described catoptron is less than the length of described crossbeam;
Described handle is arranged on wherein the crossbeam and by described sliding tray and is connected with the upper end of described catoptron, moves along described sliding tray for promoting described catoptron.
Wherein, described catoptron is made by the material with light reflection function.
Wherein, described catoptron is the glass substrate that is coated with reflectance coating.
Wherein, described even light unit comprises: concavees lens, even mating plate and catoptron; Wherein,
Described concavees lens are used for the light beam of incident is converted to scattered beam;
Described even mating plate is used for described scattered beam is carried out scattering;
Described catoptron is arranged on described concavees lens both sides and is parallel to described concavees lens, is used for reflecting the light beam after received process is spared the mating plate scattering.
Wherein, described catoptron is made by aluminium, iron or the glass that is coated with reflectance coating.
Wherein, the transparent sheet of described even mating plate for being made by glass or acrylic.
As seen from the above technical solution, in the projector in the present invention, because the light path at RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place is provided with optical path switch module, and described optical path switch module can be according to its current mode of operation, this homogeneous beam of transmission or change the direction of propagation of this homogeneous beam, thereby outside the projection display funciton that guarantees projector, also can so that this projector has illumination functions, can be used for carrying out room lighting.Because in the projector in the present invention, only original lighting source can be realized illumination functions in the need use projector, and need not to arrange in addition extra external light source, the lighting source that therefore can take full advantage of in the projector throws light on, save user's investment, also saved the installing space of external light source.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art.Apparently, the accompanying drawing in below describing only is some embodiments of the present invention, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 is the structural representation of projector of the prior art;
Fig. 2 is the structural representation of the projector in the embodiments of the invention one;
Fig. 3 is the structural representation of the projector in the embodiments of the invention two;
Fig. 4 is the structural representation of the projector in the embodiments of the invention three;
Fig. 5 is the structural representation of the optical path switch module in the preferred embodiment of the present invention;
Fig. 6 is the structural representation of the even light unit in the preferred embodiment of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Referring to Fig. 2 to Fig. 4, the projector among the present invention comprises: video interface 11, control circuit 12, RGB three primary colours light generation unit 13, luminance brightness modulating unit 14, lens unit 15, optical path switch module 21 and even light unit 22.
Wherein, described control circuit 12 is used for according to the demonstration information by described video interface 11 receptions, to described RGB three primary colours light generation unit 13 sending controling instructions;
Described RGB three primary colours light generation unit 13 is used for generating corresponding RGB three primary colours light beam according to described steering order, and exports the RGB three primary colours light beam that generates;
Described luminance brightness modulating unit 14 is used for the RGB three primary colours light beam that receives is modulated, and the RGB three primary colours light beam after the output modulation;
Described lens unit 15 be used for size and the shooting angle of the RGB three primary colours light beam after the modulation are adjusted, and the light beam after will adjusting projects on the projection screen;
Described optical path switch module 21, be arranged on the light path at described RGB three primary colours light generation unit 13, luminance brightness modulating unit 14 and lens unit 15 places, be used for the received RGB three primary colours light beam of transmission when transmission mode, when light illumination mode, change the direction of propagation of received RGB three primary colours light beam, and received RGB three primary colours light beam is outputed to described even light unit 22;
Described even light unit 22 is used for received RGB three primary colours light beam amplification is scattering into each to the scattered beam of propagating.
Better, in specific embodiments of the invention, the RGB three primary colours light beam that described RGB three primary colours light generation unit generates can be: the homogeneous beam that described RGB three primary colours light generation unit generates successively according to the circular order of red, green, blue.
According to the structure of above-mentioned projector as can be known, in projector of the present invention, RGB three primary colours light generation unit can according to the circular order of red, green, blue, produce homogeneous beam successively; Described homogeneous beam enters after the optical path switch module, and optical path switch module can be according to its current mode of operation, this homogeneous beam of transmission or change the direction of propagation of this homogeneous beam.For example, when optical path switch module was in light illumination mode, the homogeneous beam that this optical path switch module receives transmission so that this homogeneous beam can project on the projection screen, thereby was realized the projection display funciton of projector.And when optical path switch module is in light illumination mode, this optical path switch module will change the direction of propagation of this homogeneous beam, and this homogeneous beam outputed in the described even light unit, described even light unit is with the arrow beam of light (being the homogeneous beam that receives) of received orientation, amplify scattering and become each to the angle pencil of ray (being scattered beam) of propagating, to carry out room lighting, thereby so that this projector is except realizing the projection display funciton, can also possess illumination functions, can be used for carrying out room lighting.
In addition, in preferred embodiment of the present invention, the user also can be to the various vision signal of described control circuit 12 inputs, thereby can generate the various Protean lighting pattern that is formed by the RGB three primary colours by above-mentioned RGB three primary colours light generation unit 13, for example, red, green, blue, the pure color pattern such as pink, or certain specific static pattern (for example, takes landscape, the personage, the static pattern such as starry sky), or certain dynamic video image, therefore the user can use described projector according to actual needs as a multi-functional illuminating lamp, thereby can greatly improve user's Experience Degree.
Below will further introduce the projector among the present invention in the mode of preferred embodiment.
Embodiment one
Fig. 2 is the structural representation of the projector in the embodiments of the invention one.As shown in Figure 2, in embodiments of the invention one, described optical path switch module 21 is arranged between described RGB three primary colours light generation unit 13 and the luminance brightness modulating unit 14.
At this moment, described RGB three primary colours light generation unit 13 is to described optical path switch module 21 output RGB three primary colours light beams;
When described optical path switch module 21 is in transmission mode, the RGB three primary colours light beam that described optical path switch module 21 transmissions are received, the RGB three primary colours light beam that is about to receive is exported to described luminance brightness modulating unit 14; After the RGB three primary colours light beam that 14 pairs of described luminance brightness modulating units receive is modulated, project on the projection screen by described lens unit 15 again, to realize the projection display funciton of projector;
And when described optical path switch module 21 is in light illumination mode, described optical path switch module 21 will change the direction of propagation of received RGB three primary colours light beam, and received RGB three primary colours light beam is outputed to described even light unit 22;
22 of described even light unit can be scattering into each to the scattered beam of propagating with received RGB three primary colours light beam amplification, thereby realize the illumination functions of projector.
Embodiment two
Fig. 3 is the structural representation of the projector in the embodiments of the invention two.As shown in Figure 3, in embodiments of the invention two, described optical path switch module 21 is arranged between described luminance brightness modulating unit 14 and the lens unit 15.
At this moment, described optical path switch module 21 receives the RGB three primary colours light beam that described RGB three primary colours light generation unit 13 produces, and the RGB three primary colours light beam that receives is modulated, and the RGB three primary colours light beam after will modulating is exported to described optical path switch module 21;
When described optical path switch module 21 is in transmission mode, RGB three primary colours light beam after the received modulation of described optical path switch module 21 transmissions, RGB three primary colours light beam after the modulation that soon receives is exported to described lens unit 15, project on the projection screen by described lens unit 15, to realize the projection display funciton of projector;
And when described optical path switch module 21 is in light illumination mode, described optical path switch module 21 will change the direction of propagation of the RGB three primary colours light beam after the received modulation, and the RGB three primary colours light beam after the received modulation is outputed to described even light unit 22;
22 of described even light unit can be scattering into each to the scattered beam of propagating with the amplification of the RGB three primary colours light beam after the received modulation, thereby realize the illumination functions of projector.
Embodiment three
Fig. 4 is the structural representation of the projector in the embodiments of the invention three.As shown in Figure 4, in embodiments of the invention three, described optical path switch module 21 is arranged between described lens unit 15 and the projection screen.
At this moment, described optical path switch module 21 receives the RGB three primary colours light beam that described RGB three primary colours light generation unit 13 produces, the RGB three primary colours light beam that receives is modulated, and the RGB three primary colours light beam after will modulating is exported to described optical path switch module 21 by described lens unit 15;
When described optical path switch module 21 is in transmission mode, RGB three primary colours light beam after the received modulation of described optical path switch module 21 transmissions, RGB three primary colours light beam after the modulation that soon receives projects on the projection screen, to realize the projection display funciton of projector;
And when described optical path switch module 21 is in light illumination mode, described optical path switch module 21 will change the direction of propagation of the RGB three primary colours light beam after the received modulation, and the RGB three primary colours light beam after the received modulation is outputed to described even light unit 22;
22 of described even light unit can be scattering into each to the scattered beam of propagating with the amplification of the RGB three primary colours light beam after the received modulation, thereby realize the illumination functions of projector.
By the above embodiments one～embodiment three as can be known, the projector among the present invention both can realize projection display funciton according to actual needs, also can realize according to actual needs illumination functions.
In addition, in technical scheme of the present invention, the structure of described optical path switch module 21 can be diversified, below will further introduce the concrete structure of the optical path switch module among the present invention in the mode of preferred embodiment.
Fig. 5 is the structural representation of the optical path switch module in the preferred embodiment of the present invention.As shown in Figure 5, described optical path switch module can comprise: guide rail frame 51, catoptron 52 and handle 53.Wherein,
Described guide rail frame 51 comprises: two crossbeams 511 that are parallel to each other and the vertical beam 512 that is connected with described two beam vertical; Be provided with sliding tray on described two crossbeams 511;
The upper/lower terminal of described catoptron 52 embeds in the sliding tray on described two crossbeams 511, and can slide along described sliding tray; The length at the up and down two ends of described catoptron 52 is less than the length of described crossbeam 511;
Described handle 53 is arranged on wherein the crossbeam 511 and by described sliding tray and is connected with the upper end of described catoptron, moves along described sliding tray for promoting described catoptron 52.
Better, in specific embodiments of the invention, described catoptron 52 is made by the material with light reflection function.For example, described catoptron 52 can be the glass substrate that is coated with reflectance coating.
According to the structure of above-mentioned optical path switch module as can be known, because the length at the up and down two ends of described catoptron 52 is less than the length of described crossbeam 511, and described catoptron 52 is under the promotion of described handle 53, can slide along described sliding tray, therefore can two positions be set at described guide rail frame 51, for example, the position at the 52 current places of catoptron described in Fig. 5 is made as position 1, position near described vertical beam 512 places is set to position 2, therefore, can by the promotion of handle, so that described catoptron 52 can move to described position 2 from described position 1, also can move to described position 1 from described position 2.
Described optical path switch module is being installed in described RGB three primary colours light generation unit 13, in the time of on the light path at luminance brightness modulating unit 14 and lens unit 15 places, any one position in above-mentioned position 1 and the position 2 can be arranged on described RGB three primary colours light generation unit 13, on the light path at luminance brightness modulating unit 14 and lens unit 15 places, for example, the position 1 of described optical path switch module can be arranged on described RGB three primary colours light generation unit 13, on the light path at luminance brightness modulating unit 14 and lens unit 15 places, and so that the minute surface of described catoptron 52 and described light path are default angle (for example, 45 degree).Therefore, when described catoptron 52 is positioned at position 2 under the promotion of handle 53, because described catoptron 52 is on above-mentioned light path, therefore described optical path switch module will be in transmission mode this moment, thereby can transmission RGB three primary colours light beam, to realize the projection display funciton of projector; And when described catoptron 52 is positioned at position 1 under the promotion of handle 53, because described catoptron 52 is positioned on the above-mentioned light path, therefore described optical path switch module will be in light illumination mode this moment, described catoptron 52 will change the direction of propagation of received RGB three primary colours light beam, and received RGB three primary colours light beam outputed to described even light unit 22, thereby can realize the illumination functions of projector.
In addition, in technical scheme of the present invention, the structure of described even light unit 22 can be diversified, below will further introduce the concrete structure of the even light unit among the present invention in the mode of preferred embodiment.
Fig. 6 is the structural representation of the even light unit in the preferred embodiment of the present invention.As shown in Figure 6, described even light unit can comprise: concavees lens 61, even mating plate 63 and catoptron 62.
Described concavees lens 61 are used for the light beam of incident is converted to scattered beam;
Described even mating plate 63 is used for described scattered beam is carried out scattering;
Described catoptron 62 is arranged on described concavees lens both sides and is parallel to described concavees lens 61, is used for reflecting the light beam after received process is spared mating plate 63 scatterings, thereby beam reflection as much as possible is returned even mating plate 63, improves illuminating effect.
Better, in specific embodiments of the invention, described concavees lens 61 are made by glass or transparent plastic.
Better, in specific embodiments of the invention, described catoptron 62 is made by aluminium, iron or the glass that is coated with reflectance coating.
Better, in specific embodiments of the invention, the transparent sheet of described even mating plate 63 for being made by glass or acrylic.
Better, in specific embodiments of the invention, be provided with a plurality of transparent graininess projections on the described even mating plate 63, so that incident beam is propagated scattering to all directions.
According to the structure of above-mentioned optical path switch module as can be known, when described optical path switch module outputs to described even light unit with received RGB three primary colours light beam, described RGB three primary colours light beam is the narrow arrow beam of light of a kind of width, and the concavees lens 61 that should spare in the light unit then can be diffused as scattered beam with the arrow beam of light of above-mentioned incident; When this scattered beam shone on the even mating plate 63, this scattered beam will be by again to all directions scattering; Wherein there is light beam after the part scattering also will be reflected mirror 62 and is reflected back even mating plate 63, thereby beam reflection as much as possible can be returned even mating plate 63, improve illuminating effect.
In summary, in the projector that provides in the present invention, because the light path at RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place is provided with optical path switch module, and described optical path switch module can be according to its current mode of operation, this homogeneous beam of transmission or change the direction of propagation of this homogeneous beam, thereby outside the projection display funciton that guarantees projector, also can so that this projector has illumination functions, can be used for carrying out room lighting.Because in the projector in the present invention, only original lighting source can be realized illumination functions in the need use projector, and need not to arrange in addition extra external light source, the lighting source that therefore can take full advantage of in the projector throws light on, saved user's investment, also saved the installing space of external light source, can also show various Protean lighting patterns, dynamic image by described projector simultaneously, thereby can greatly improve user's Experience Degree.In addition, when the projector among the present invention used as lighting source, project content both can project on the ground, on the wall, can also project on the projection screen perpendicular to ground, and was therefore of many uses, practical.
The above is preferred embodiment of the present invention only, is not for limiting protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a projector comprises video interface, control circuit, RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit, it is characterized in that, this projector also further comprises: optical path switch module and even light unit; Wherein,
Described optical path switch module is arranged on the light path at described RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place, be used for the received RGB three primary colours light beam of transmission when transmission mode, when light illumination mode, change the direction of propagation of received RGB three primary colours light beam, and received RGB three primary colours light beam is outputed to described even light unit;
Described even light unit is used for received RGB three primary colours light beam amplification is scattering into each to the scattered beam of propagating.
2. projector as claimed in claim 1 is characterized in that, the RGB three primary colours light beam that described RGB three primary colours light generation unit generates can be: the homogeneous beam that generates successively according to the circular order of red, green, blue.
3. projector as claimed in claim 1 is characterized in that, described optical path switch module is arranged on the light path at described RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place and comprises:
Described optical path switch module is arranged between described RGB three primary colours light generation unit and the luminance brightness modulating unit.
4. projector as claimed in claim 1 is characterized in that, described optical path switch module is arranged on the light path at described RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place and comprises:
Described optical path switch module is arranged between described luminance brightness modulating unit and the lens unit.
5. projector as claimed in claim 1 is characterized in that, described optical path switch module is arranged on the light path at described RGB three primary colours light generation unit, luminance brightness modulating unit and lens unit place and comprises:
Described optical path switch module is arranged between described lens unit and the projection screen.
6. projector as claimed in claim 1 is characterized in that, described optical path switch module comprises: guide rail frame, catoptron and handle; Wherein,
Described guide rail frame comprises: two crossbeams that are parallel to each other with described two vertical beams that beam vertical is connected; Be provided with sliding tray on described two crossbeams;
The upper/lower terminal of described catoptron embeds in the sliding tray on described two crossbeams, and can slide along described sliding tray; The length at the up and down two ends of described catoptron is less than the length of described crossbeam;
Described handle is arranged on wherein the crossbeam and by described sliding tray and is connected with the upper end of described catoptron, moves along described sliding tray for promoting described catoptron.
7. projector as claimed in claim 6 is characterized in that:
Described catoptron is made by the material with light reflection function;
Described catoptron is the glass substrate that is coated with reflectance coating.
8. projector as claimed in claim 1 is characterized in that, described even light unit comprises: concavees lens, even mating plate and catoptron; Wherein,
Described concavees lens are used for the light beam of incident is converted to scattered beam;
Described even mating plate is used for described scattered beam is carried out scattering;
Described catoptron is arranged on described concavees lens both sides and is parallel to described concavees lens, is used for reflecting the light beam after received process is spared the mating plate scattering.
9. projector as claimed in claim 8 is characterized in that:
Described catoptron is made by aluminium, iron or the glass that is coated with reflectance coating;
The transparent sheet of described even mating plate for being made by glass or acrylic.
10. projector as claimed in claim 9 is characterized in that:
Be provided with a plurality of transparent graininess projections on the described even mating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488766XA CN103034037A (en) | 2012-11-26 | 2012-11-26 | Projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488766XA CN103034037A (en) | 2012-11-26 | 2012-11-26 | Projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103034037A true CN103034037A (en) | 2013-04-10 |
Family
ID=48021057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210488766XA Pending CN103034037A (en) | 2012-11-26 | 2012-11-26 | Projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103034037A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677713B (en) * | 2018-10-01 | 2019-11-21 | 奇景光電股份有限公司 | Projector, electronic device having projector and associated control method |
| CN113504697A (en) * | 2021-06-30 | 2021-10-15 | 歌尔光学科技有限公司 | Projection light machine |
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| US20060279662A1 (en) * | 2003-03-16 | 2006-12-14 | Explay Ltd. | Projection system and method |
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| CN101395530A (en) * | 2006-03-31 | 2009-03-25 | 株式会社尼康 | Projector |
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| JPS5245229Y2 (en) * | 1973-06-28 | 1977-10-14 | ||
| JPH0862721A (en) * | 1995-07-25 | 1996-03-08 | Casio Comput Co Ltd | Liquid crystal television |
| US20060279662A1 (en) * | 2003-03-16 | 2006-12-14 | Explay Ltd. | Projection system and method |
| CN1926465A (en) * | 2004-02-27 | 2007-03-07 | 松下电器产业株式会社 | Two-dimensional image forming device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI677713B (en) * | 2018-10-01 | 2019-11-21 | 奇景光電股份有限公司 | Projector, electronic device having projector and associated control method |
| US10942429B2 (en) | 2018-10-01 | 2021-03-09 | Himax Technologies Limited | Projector, electronic device having projector and associated control method |
| CN113504697A (en) * | 2021-06-30 | 2021-10-15 | 歌尔光学科技有限公司 | Projection light machine |
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Application publication date: 20130410 |