CN1570752A - Light-emitting device for refracting projector - Google Patents
Light-emitting device for refracting projector Download PDFInfo
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- CN1570752A CN1570752A CN 03132833 CN03132833A CN1570752A CN 1570752 A CN1570752 A CN 1570752A CN 03132833 CN03132833 CN 03132833 CN 03132833 A CN03132833 A CN 03132833A CN 1570752 A CN1570752 A CN 1570752A
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Abstract
This invention relates to a light-emitting apparatus for refracting projector, which comprises a light source; a reflecting light conductive plate located by one side of light source to reflect and even the light from the source; diffraction lens set located by the side of light emitting surface of the reflection light conductive plate to collect and reduce light diffusion of the plate; a semi-transparent lens located by the side of diffraction lens set towards the plate to reflect the light from the diffraction lens set; a display unit located by the light-emitting side of the semi-transparent lens to receive and the reflect the light from the semi-transparent lens.
Description
Technical field
The invention relates to a kind of light-emitting device, refer in particular to the light-emitting device that a kind of refraction projection device that is applicable to various display device light sources is used.
Background technology
At present general refraction projection device all is to utilize fluorescent tube or bulb as light emitting source, and both sides about the institute desire of being placed in projection image or up and down, so that sufficient light source to be provided, pass through afterwards by the image of its irradiate light to institute's desire projection, and with imaging belt to follow-up refraction or projection element, amplify and projection.Yet fluorescent tube takes up room greatly, and the institute desire projection image that is placed in about or up and down during both sides, have the uneven phenomenon of luminosity, its power consumption is also quite big simultaneously.
And the modern projection display all tends to cater to compact trend, and traditional fluorescent tube is as light emitting source, the shortcoming that has volume to be difficult to dwindle.Especially after volume-diminished, how to make light be projeced into display (for example micro-display) equably, and reduce power consumption, improve brightness, desire most ardently the problem of solution for industry.
Summary of the invention
Fundamental purpose of the present invention is at the light-emitting device that provides a kind of refraction projection device to use, so as to provide a luminosity evenly, power saving and the little light source of volume.
For realizing above-mentioned purpose, the light-emitting device that a kind of refraction projection device of the present invention is used mainly comprises:
One light source; One reflecting light conductive plate is positioned at a side of this light source, in order to reflection and the homogenising light from this light source; One diffraction lens set is positioned at the side that this reflecting light conductive plate reflects bright dipping, carries out light harvesting and reduces light scattering in order to the light to this reflecting light conductive plate reflection; One half penetrated eyeglass is positioned at the side of this diffraction lens set with respect to this reflecting light conductive plate, in order to reflect the light that is transmitted by this diffraction lens set; One display unit is positioned at a side of this half penetrated eyeglass reflection bright dipping, to receive by light that this half penetrated eyeglass was transmitted and to reflect it;
Wherein, this diffraction lens set this reflective leaded light pull and this half penetrated eyeglass between, this display unit is not positioned on the straight line that this diffraction lens set and this reflecting light conductive plate form; And the light that this light emitted goes out, be to reflex to this diffraction lens set via this reflecting light conductive plate, and penetrate this diffraction lens set, and reflex to this display unit via this half penetrated eyeglass afterwards, reflect and penetrate this half penetrated eyeglass via this display unit again and send.
The light-emitting device that described refraction projection device is used, wherein this diffraction lens set comprises the vertical diffraction eyeglass with of a horizontal diffraction eyeglass.
The light-emitting device that described refraction projection device is used, wherein the light transmittance of this half penetrated eyeglass is greater than 90%.
The light-emitting device that described refraction projection device is used, wherein the light reflectivity of this half penetrated eyeglass is less than or equal to 50%.
The light kind that the light source of the light-emitting device that refraction projection device of the present invention is used sends is unrestricted, can be any visible light, is preferably and sends Red Green Blue light in turn.The cycle of the light that it sends is that its light period is less than 1/3rd of human eye's retentivity time of eye.The half penetrated eyeglass of the light-emitting device that refraction projection device of the present invention is used, its light transmittance is preferably between 40～90%.The half penetrated eyeglass kind of the light-emitting device that refraction projection device of the present invention is used is unrestricted, is preferably polarization beam splitter (PBS).The display unit of the light-emitting device that refraction projection device of the present invention is used can be known display, is preferably little flat-panel screens, is more preferred from LCD, LTPS LCD, L-COS micro-display or DMD micro-display.The diffraction lens set of the light-emitting device that refraction projection device of the present invention is used is in order to improve half briliancy angle of the light that sends from this reflecting light conductive plate.Light-emitting device of the present invention can be applicable to the display device that any image, picture, symbol and literal show, is preferably glasses type (Goggle type) or helmet type (Head Mount) refraction projection device.
Light-emitting device of the present invention can be applicable to the display device that any image, picture, symbol and literal show, as glasses type (Goggle type) or helmet type (Head Mount) refraction projection device, LCD TV, Panel PC display, luggable computer display, portable DVD, automobile, train, aircraft live look, GPS demonstration, gaming machine, mobile television, children learning machine, palmtop computer, game machine, the demonstration of OA industrial instrumentation, videophone etc.
For achieving the above object, the invention provides the refraction projection device, mainly comprise: two luminescence units, wherein each luminescence unit comprises a light source; One reflecting light conductive plate is positioned at a side of this light source, in order to reflection and the homogenising light from this light source; One diffraction lens set is positioned at the side that this reflecting light conductive plate reflects bright dipping, carries out light harvesting and reduces light scattering in order to the light to this reflecting light conductive plate reflection; One half penetrated eyeglass is positioned at the side of this diffraction lens set with respect to this reflecting light conductive plate, in order to reflect the light that is transmitted by this diffraction lens set; And a display unit, be positioned at a side of this half penetrated eyeglass reflection bright dipping, to receive by light that this half penetrated eyeglass was transmitted and to reflect it; Wherein, this diffraction lens set is between this reflecting light conductive plate and this half penetrated eyeglass, and this display unit is not positioned on the straight line of this diffraction lens set and the formation of this reflecting light conductive plate; And the light that this light emitted goes out, be to reflex to this diffraction lens set, and penetrate this diffraction lens set, reflex to this display unit via this half penetrated eyeglass afterwards via this reflecting light conductive plate, reflect via this display unit again, and send this luminescence unit after penetrating this half penetrated eyeglass;
Two reflector elements are positioned at a side of this luminescence unit, the light that penetrates from this luminescence unit in order to deviation, and wherein this two luminescence unit between this two reflector element; Two refracting set are positioned at a side of this reflector element, but this refracting set is not positioned at the straight line that this reflector element and this luminescence unit form, the light that penetrates or reflect from this reflector element in order to deviation respectively; And two virtual image forming mirror groups, be the opposite side that lays respectively at this two refracting set, by the light that this refracting set was transmitted, and this virtual image forming mirror group becomes the virtual image with the formed video conversion of this refracting set with deviation; Wherein, this refracting set is between this reflector element and this virtual image forming mirror group; And the image that this display unit is shown, be after sending via this luminescence unit,, and penetrate this refracting set deviation and form a real image that stands upside down with former image to this refracting set via this reflector element deviation, convert the virtual image of standing upside down to via this virtual image forming mirror group again with former image.
Described refraction projection device, wherein this light source can send Red Green Blue light in turn.
Described refraction projection device, wherein the light transmittance of this half penetrated eyeglass is greater than 90%.
Described refraction projection device, wherein the light reflectivity of this half penetrated eyeglass is less than or equal to 50%.
Described refraction projection device, wherein this half penetrated eyeglass is a polarization beam splitter.
Described refraction projection device, wherein this display unit is a plane micro-display.
Described refraction projection device, wherein this display unit is LCD, L-COS micro-display or DMD micro-display.
Described refraction projection device, wherein this diffraction lens set is in order to improve half briliancy angle of the light that sends from this reflecting light conductive plate.
Described refraction projection device, it is in order to provide glasses type display device or helmet type display device.
Described refraction projection device, wherein this refracting set function of having optically focused and magnified image simultaneously forms and amplifies real image with the light that deviation respectively penetrates or reflects from this reflector element; And this virtual image forming mirror group converts the formed real image of this refracting set to the virtual image.
Described refraction projection device, wherein this refracting set is a condenser group.
Described refraction projection device, wherein this refracting set and this reflector element plane of incidence normal form an angle Y; And this angle Y is greater than 0 degree, less than 90 degree.
Described refraction projection device, wherein each refracting set is two single convex lens, and the curvature difference of these two single convex lens.
Described refraction projection device, wherein this refracting set is convex lens, in order to the light of this reflector element of deviation, and amplifies the image that penetrates this refracting set simultaneously.
Described refraction projection device, wherein this reflector element is the prism of a tool reflection function.
Described refraction projection device, wherein this second refracting set is convex lens, in order to the light of this second reflector element of deviation, and amplifies the image that penetrates this second refracting set simultaneously.
Described refraction projection device, wherein each second refracting set is two single convex lens, and the curvature difference of these two single convex lens.
Described refraction projection device, wherein this virtual image forming mirror group is a concave mirror or concavees lens.
Described image display, wherein this virtual image forming mirror group is a level crossing.
Described image display is wherein through the focal length of distance between real image that this refracting set forms and this virtual image forming mirror group less than this virtual image forming mirror group.
Described image display, wherein this angle Y is between 0 degree and 70 degree.
Described image display, wherein between this refracting set and this virtual image forming mirror group apart from greater than the focal length of this refracting set.
Described image display, wherein the picture of this reflector element reflection and this refracting set spacing are between the focal length and its two focus length of this refracting set.
Described image display more comprises at least one semisolid liquid crystal layer shade in a side of this virtual image forming unit, to control entering of extraneous light.
Described image display, it more comprises the side of at least one adjustable shade in this virtual image forming unit, to control entering of extraneous light.
Description of drawings
Fig. 1 is the cut-open view of light-emitting device of the present invention;
Fig. 2 is the stereographic map of light-emitting device of the present invention;
Fig. 3 is the stereographic map of one embodiment of the invention glasses type refraction projection device inside;
Fig. 4 is the side view and the virtual image forming principle of one embodiment of the invention glasses type refraction projection device inside;
Fig. 5 is the stereographic map of another embodiment of the present invention glasses type refraction projection device inside;
Fig. 6 is the stereographic map of another embodiment of the present invention glasses type refraction projection device inside;
Fig. 7 is the vertical view of Fig. 6 another embodiment of the present invention glasses type refraction projection device inside;
Fig. 8 is the stereographic map of an embodiment glasses type refraction projection device inside more of the present invention.
Embodiment
Your, be described as follows especially exemplified by preferred embodiment for allowing juror can more understand technology contents of the present invention.
Embodiment 1
Please be simultaneously with reference to Fig. 1, Fig. 2, the cut-open view of light-emitting device of the present invention and stereographic map.Light-emitting device 1 of the present invention comprises a shell 5, include the light source 10 that can send Red Green Blue light in turn, and its light period is less than 1/3rd of human eye's retentivity time of eye, send to eyes fully with each primitive color light that will form image during persisting in ocular vision, make eyes see complete image.Reflecting light conductive plate 20 is positioned at a side of light source 10, in order to will reflexing to diffraction lens set 30 from the light of light source 10, and makes light uniformization.Diffraction lens set 30 is positioned at the downside of reflecting light conductive plate 20, comprise horizontal diffraction eyeglass 31 and vertical diffraction eyeglass 32, carry out light harvesting, promptly improve half briliancy angle of light in order to light to reflecting light conductive plate 20 reflections, the light of scattering can be adjusted to be to reduce light scattering simultaneously by directional light.Polarization beam splitter (PBS) 40 is positioned at the downside of diffraction lens set 30, and its light reflectivity is 50%, light transmittance is 90%, the light that transmits by diffraction lens set 30 in order to reflection, and the light of L-COS micro-display 50 reflections is penetrated, to save the space of light-emitting device.L-COS micro-display 50 is positioned at a side of polarization beam splitter 40 reflection bright dippings, to receive the light that is transmitted by polarization beam splitter 40, and with after its reflection again break-through cross polarization beam splitter 40, deliver to follow-up refraction projection device with the image that L-COS micro-display 50 is shown.
The light that light source 10 is launched, be to reflex to diffraction lens set 30 via reflecting light conductive plate 20, and penetrate diffraction lens set 30, reflex to L-COS micro-display 50 via polarization beam splitter 40 afterwards, reflect and take out of the image of demonstration on the L-COS micro-display 50 via L-COS micro-display 50 again, penetrate polarization beam splitter 40 then and send light-emitting device 1 of the present invention, be sent to follow-up refraction projection device, carry out enlarging projection with the image that will show on the L-COS micro-display 50.Light-emitting device of the present invention can effectively provide display high evenness, power saving and the little light source that takes up room, and optionally combines with arbitrary image display, especially is suitable as the light source of glasses type or helmet type display device.
Please refer to Fig. 3.Fig. 3 is the sectional view of glasses type refraction projection device of the present invention inside.Present embodiment comprises a T font housing, include light-emitting device 1 and 2 as shown in Figure 1, two Mitsubishi's mirrors 240 and 241 (reflector elements), two non-iso-curvature convex lens 250 and 251 (refractor groups), and two concave mirrors of handling through partial mirror 260 and 261 (virtual image forming unit).Wherein, this two light-emitting device 1 and 2 is the centers that place this T font housing, and this two light-emitting device 1 and 2 opposite side then are equipped with prism 240 and prism 241 respectively, make this two light-emitting device 1 and 2 all between this two prism 240 and 241.Prism 240 and 241 belows are equipped with convex lens 250 and 251 respectively, and these convex lens 250 and 251 belows are respectively concave mirror 260 and 261.
Wherein these convex lens 250 and 251 and be arranged to make by the incident light of prism 240,241 and this convex lens 250 and 251 and this reflector element plane of incidence normal form the angle Y of one 30 degree.
By the light that light-emitting device 1 and 2 sends, two sides enter to prism 240 and 241 places to the left and right respectively.Reflex to convex lens 250 and 251 places afterwards again, former video conversion formed one stand upside down and amplify real image, after pass through this concave mirror 260 and 261 again, amplify again, form the amplification virtual image of standing upside down.
Please refer to Fig. 4, Fig. 4 is the side view of glasses type refraction projection device of the present invention inside.This figure shows that the image deviation that this prism 240 can be provided L-COS micro-display 50 refracts to convex lens 250 places, is image 271.And this image 271 can drop on somewhere between the focal length of these convex lens 250 and the two focus length, and according to the convex lens image-forming principle, can form one outside the two focus length of the opposite side of these convex lens 250 stands upside down up and down, the amplification real image 272 that left and right directions is constant (if having screen to place this then can see a handstand amplification real image), the enlargement ratio of this real image 272 depends on the distance of image 271 and convex lens 250, and distance more then enlargement ratio is higher.And this real image 272 must fall within the focal length of this concave mirror 260, and is same, according to image-forming principle, can form one at the opposite side of concave mirror 260 and amplify the virtual image 273, and the enlargement ratio of this virtual image 273 also depends on the distance between this real image 272 and this concave mirror 260.It should be noted that does not in the present embodiment have screen between the convex lens 250 and concave mirror 260, can't see the amplification real image that is formed by convex lens 250; Therefore, the phenomenon that we see is that light converges deviation to concave mirror 260 via convex lens 250, be projected in observer's eye in concave mirror 260 deviations afterwards, but this light can't be focused into real image on eyeball, so eyes can extend this light to concave mirror 260 mirrors, form an amplification virtual image 273 identical with real image 272 directions.
Have the knack of cognizable the arriving of people of this technical field, for realizing above-mentioned imaging design, this prism 240, convex lens 250 must become a specific relative position with concave mirror 260 threes, make image 271 can fall between the focal length and two focus length of these convex lens 250, and real image 272 can fall within the focal length of this concave mirror 260.
Embodiment 3
The present embodiment structure is roughly described as embodiment 2, is replaced into level crossing but difference is this virtual image forming unit by concave mirror 260.So, formed image only passes through convex lens 250 unirefringences and amplification, converts the virtual image to via level crossing more afterwards, and level crossing does not have amplification.But multiplying power and effect that present embodiment structure image amplifies still can be finished by the convex lens 250 of refracted ray.
Embodiment 4
The present embodiment structure is roughly described as embodiment 2, is replaced into the concavees lens of tool 40% reflectivity by concave mirror 260 but difference is this virtual image forming unit; Its image-forming principle and enlargement ratio are all described as embodiment 2.But be replaced as after the concavees lens, the observer can see external environment simultaneously when the observation image.And because device of the present invention so refraction projection form the virtual image, when adopting concavees lens as the virtual image forming unit, the light of these these concavees lens of transmission, because refraction deviation angle is bigger, so before standing in the user, and the sight line people who is higher than the glasses type display such as rough, can not see image and data that the user is using or receiving, its maintain secrecy and privacy good, and arround can not disturbing other people.
Embodiment 5
The present embodiment structure is roughly described as embodiment 2, is to be combined by a mirror and concavees lens but difference is this virtual image forming unit; Its image-forming principle and enlargement ratio are all described as embodiment 2.This face mirror can be substituted up and down, therefore can need determine whether only to observe image according to the observer, or think to see simultaneously external environment.
Embodiment 6
The present embodiment structure is roughly described as embodiment 2, is to be combined by a shade and concavees lens but difference is this virtual image forming unit; Its image-forming principle and enlargement ratio are all described as embodiment 2.This shade can be substituted up and down, therefore can need determine whether only to observe image according to the observer, or think to see simultaneously external environment.
Embodiment 7
The present embodiment structure is roughly described as embodiment 4, installs a semisolid liquid crystal layer shade 350 and a polarized lenses 360 additional but difference is this outside, virtual image forming unit; Its image-forming principle and enlargement ratio are all described as embodiment 2.But it is transparent that this semisolid liquid crystal layer shade becomes when energising, and extraneous light is passed through, and the user can accept image and supervise context when receive the display image.When the user closes the power supply of liquid crystal layer shade, shade hides again and removes extraneous light, and is not to be subjected to external interference to carry out the reception of information or image, determines that it is printing opacity or light tight state so can whether switch on, and uses as a grating.Therefore can need determine whether only to observe image according to the observer, or think to see simultaneously external environment.
Embodiment 8
See also Fig. 5.The present embodiment structure is roughly described as embodiment 2, but difference is that being equipped with one respectively between this light-emitting device 1,2 and the prism 240,241 looks focal length compressor units 280; Its image-forming principle and enlargement ratio are all described as embodiment 2.Look focal length compressor units 280 and can produce the effect that the depth of field strengthens, make image more clear.
Embodiment 9
See also Fig. 6, Fig. 7.Present embodiment structure is roughly described as embodiment 2, but difference is only to use a light-emitting device 1, and utilize convex lens 220 and 221 and prism 230 and 231 with light refraction or reflex to prism 240 and 241 places; Its image-forming principle and enlargement ratio are all described as embodiment 2.
See also Fig. 8.Present embodiment structure is roughly described as embodiment 8, but difference is only to use a light-emitting device 1, and utilize convex lens 220 and 221 and prism 230 and 231 with light refraction or reflex to prism 240 and 241 places; Its image-forming principle and enlargement ratio are all described as embodiment 2.
Be noted that above-mentioned is embodiment only, but not is limited to embodiment.For example this does not break away from basic framework of the present invention, all should be the interest field that this patent is advocated, and should be as the criterion with the Patent right requirement scope.
Claims (35)
1, the light-emitting device used of a kind of refraction projection device is characterized in that, mainly comprises:
One light source;
One reflecting light conductive plate is positioned at a side of this light source, in order to reflection and the homogenising light from this light source;
One diffraction lens set is positioned at the side that this reflecting light conductive plate reflects bright dipping, carries out light harvesting and reduces light scattering in order to the light to this reflecting light conductive plate reflection;
One half penetrated eyeglass is positioned at the side of this diffraction lens set with respect to this reflecting light conductive plate, in order to reflect the light that is transmitted by this diffraction lens set;
One display unit is positioned at a side of this half penetrated eyeglass reflection bright dipping, to receive by light that this half penetrated eyeglass was transmitted and to reflect it;
Wherein, this diffraction lens set this reflective leaded light pull and this half penetrated eyeglass between, this display unit is not positioned on the straight line that this diffraction lens set and this reflecting light conductive plate form; And
The light that this light emitted goes out, be to reflex to this diffraction lens set via this reflecting light conductive plate, and penetrate this diffraction lens set, and reflex to this display unit via this half penetrated eyeglass afterwards, reflect and penetrate this half penetrated eyeglass via this display unit again and send.
2, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein this light source can send Red Green Blue light in turn.
3, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein this diffraction lens set comprises the vertical diffraction eyeglass with of a horizontal diffraction eyeglass.
4, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein the light transmittance of this half penetrated eyeglass is greater than 90%.
5, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein the light reflectivity of this half penetrated eyeglass is less than or equal to 50%.
6, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein this half penetrated eyeglass is a polarization beam splitter.
7, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein this display unit is a plane micro-display.
8, the light-emitting device used of refraction projection device according to claim 1 is characterized in that wherein this display unit is LCD, L-COS micro-display or DMD micro-display.
9, the light-emitting device used of refraction projection device according to claim 1 is characterized in that, wherein this diffraction lens set is in order to improve half briliancy angle of the light that sends from this reflecting light conductive plate.
10, the light-emitting device used of refraction projection device according to claim 1 is characterized in that it is in order to the light source of glasses type or helmet type refraction projection device to be provided.
11, a kind of refraction projection device is characterized in that, mainly comprises;
Two luminescence units, wherein each luminescence unit comprises a light source;
One reflecting light conductive plate is positioned at a side of this light source, in order to reflection and the homogenising light from this light source;
One diffraction lens set is positioned at the side that this reflecting light conductive plate reflects bright dipping, carries out light harvesting and reduces light scattering in order to the light to this reflecting light conductive plate reflection;
One half penetrated eyeglass is positioned at the side of this diffraction lens set with respect to this reflecting light conductive plate, in order to reflect the light that is transmitted by this diffraction lens set; And
One display unit is positioned at a side of this half penetrated eyeglass reflection bright dipping, to receive by light that this half penetrated eyeglass was transmitted and to reflect it;
Wherein, this diffraction lens set is between this reflecting light conductive plate and this half penetrated eyeglass, and this display unit is not positioned on the straight line of this diffraction lens set and the formation of this reflecting light conductive plate; And
The light that this light emitted goes out, be to reflex to this diffraction lens set, and penetrate this diffraction lens set, reflex to this display unit via this half penetrated eyeglass afterwards via this reflecting light conductive plate, reflect via this display unit again, and send this luminescence unit after penetrating this half penetrated eyeglass;
Two reflector elements are positioned at a side of this luminescence unit, the light that penetrates from this luminescence unit in order to deviation, and wherein this two luminescence unit between this two reflector element;
Two refracting set are positioned at a side of this reflector element, but this refracting set is not positioned at the straight line that this reflector element and this luminescence unit form, the light that penetrates or reflect from this reflector element in order to deviation respectively; And
Two virtual image forming mirror groups are the opposite sides that lay respectively at this two refracting set, and by the light that this refracting set was transmitted, and this virtual image forming mirror group becomes the virtual image with the formed video conversion of this refracting set with deviation;
Wherein, this refracting set is between this reflector element and this virtual image forming mirror group; And
The image that this display unit is shown, be after sending via this luminescence unit,, and penetrate this refracting set deviation and form a real image that stands upside down with former image to this refracting set via this reflector element deviation, convert the virtual image of standing upside down to via this virtual image forming mirror group again with former image.
12, refraction projection device according to claim 11 is characterized in that, wherein this light source can send Red Green Blue light in turn.
13, refraction projection device according to claim 11 is characterized in that, wherein the light transmittance of this half penetrated eyeglass is greater than 90%.
14, refraction projection device according to claim 11 is characterized in that, wherein the light reflectivity of this half penetrated eyeglass is less than or equal to 50%.
15, refraction projection device according to claim 11 is characterized in that, wherein this half penetrated eyeglass is a polarization beam splitter.
16, refraction projection device according to claim 11 is characterized in that, wherein this display unit is a plane micro-display.
17, refraction projection device according to claim 11 is characterized in that, wherein this display unit is LCD, L-COS micro-display or DMD micro-display.
18, refraction projection device according to claim 11 is characterized in that, wherein this diffraction lens set is in order to improve half briliancy angle of the light that sends from this reflecting light conductive plate.
19, refraction projection device according to claim 11, it is in order to provide glasses type display device or helmet type display device.
20, refraction projection device according to claim 11 is characterized in that, wherein this refracting set function of having optically focused and magnified image simultaneously forms and amplifies real image with the light that deviation respectively penetrates or reflects from this reflector element; And this virtual image forming mirror group converts the formed real image of this refracting set to the virtual image.
21, refraction projection device according to claim 11 is characterized in that, wherein this refracting set is a condenser group.
22, refraction projection device according to claim 11 is characterized in that, wherein this refracting set and this reflector element plane of incidence normal form an angle Y; And this angle Y is greater than 0 degree, less than 90 degree.
23, refraction projection device according to claim 11 is characterized in that, wherein each refracting set is two single convex lens, and the curvature difference of these two single convex lens.
24, refraction projection device according to claim 11 is characterized in that, wherein this refracting set is convex lens, in order to the light of this reflector element of deviation, and amplifies the image that penetrates this refracting set simultaneously.
25, refraction projection device according to claim 11 is characterized in that, wherein this reflector element is the prism of a tool reflection function.
26, refraction projection device according to claim 11 is characterized in that, wherein this second refracting set is convex lens, in order to the light of this second reflector element of deviation, and amplifies the image that penetrates this second refracting set simultaneously.
27, refraction projection device according to claim 11 is characterized in that, wherein each second refracting set is two single convex lens, and the curvature difference of these two single convex lens.
28, refraction projection device according to claim 11 is characterized in that, wherein this virtual image forming mirror group is a concave mirror or concavees lens.
29, image display according to claim 11 is characterized in that, wherein this virtual image forming mirror group is a level crossing.
30, image display according to claim 11 is characterized in that, wherein through the focal length of distance between real image that this refracting set forms and this virtual image forming mirror group less than this virtual image forming mirror group.
31, image display according to claim 22 is characterized in that, wherein this angle Y is between 0 degree and 70 degree.
32, image display according to claim 11 is characterized in that, wherein between this refracting set and this virtual image forming mirror group apart from greater than the focal length of this refracting set.
33, image display according to claim 11 is characterized in that, wherein the picture of this reflector element reflection and this refracting set spacing are between the focal length and its two focus length of this refracting set.
34, image display according to claim 11 is characterized in that, more comprises at least one semisolid liquid crystal layer shade in a side of this virtual image forming unit, to control entering of extraneous light.
35, image display according to claim 11 is characterized in that, it more comprises the side of at least one adjustable shade in this virtual image forming unit, to control entering of extraneous light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132833 CN1570752A (en) | 2003-07-22 | 2003-07-22 | Light-emitting device for refracting projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03132833 CN1570752A (en) | 2003-07-22 | 2003-07-22 | Light-emitting device for refracting projector |
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| Publication Number | Publication Date |
|---|---|
| CN1570752A true CN1570752A (en) | 2005-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03132833 Pending CN1570752A (en) | 2003-07-22 | 2003-07-22 | Light-emitting device for refracting projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295124B (en) * | 2007-04-24 | 2010-12-15 | 立景光电股份有限公司 | Display apparatus, electronic apparatus, and reflective mirror module |
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2003
- 2003-07-22 CN CN 03132833 patent/CN1570752A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101295124B (en) * | 2007-04-24 | 2010-12-15 | 立景光电股份有限公司 | Display apparatus, electronic apparatus, and reflective mirror module |
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