A thin projector is disclosed. The thin projector includes a housing having an upright panel shape, an illumination unit arranged in the interior of the housing, the illumination unit generating light and emitting the generated light, a micro device arranged in the interior of the housing, the micro
A thin projector is disclosed. The thin projector includes a housing having an upright panel shape, an illumination unit arranged in the interior of the housing, the illumination unit generating light and emitting the generated light, a micro device arranged in the interior of the housing, the micro device receiving the light from the illumination unit and producing an image using the received light, and a projection lens unit arranged in the interior of the housing, the projection lens unit including an emission unit adapted to externally emit the image produced by the micro device and arranged to be externally exposed through a front side of the housing.
대표청구항▼
What is claimed is: 1. A projector comprising: a housing having a front side, a rear side, and lateral sides, wherein each of the front side and the rear side has an area larger than an area of each of the lateral sides; an illumination unit arranged in an interior of the housing, the illumination
What is claimed is: 1. A projector comprising: a housing having a front side, a rear side, and lateral sides, wherein each of the front side and the rear side has an area larger than an area of each of the lateral sides; an illumination unit arranged in an interior of the housing, the illumination unit generating light and emitting the generated light; a micro device arranged in the interior of the housing, the micro device receiving the light from the illumination unit and producing an image using the received light; a projection lens unit to project the image on a screen, the projection lens unit reflecting and emitting the image through the front side having an area larger than the area of each of the lateral sides; and a fixing member adapted to fix the housing in an upright state in which the front side is vertically oriented, wherein the projection lens unit projects the image along an optical axis that is at least substantially perpendicular to the front side and wherein a top or bottom side of the housing has an area smaller than an area of the front or rear side of the housing. 2. The projector according to claim 1, wherein the projection lens unit is configured to reflect the light out of a plane which carries light emitted from the illumination unit and the image produced from the micro device within the interior of the housing, wherein said plane is parallel to the front side of the housing. 3. The projector according to claim 1, wherein the front side of the housing has horizontal and vertical lengths which are equal to or different from each other. 4. The projector according to claim 1, wherein the projection lens unit comprises: a first lens set adapted to emit light carrying the image produced from the micro device; a second lens set arranged perpendicularly to a central axis of the light emitted from the first lens set, and adapted to project the light emitted from the first lens set onto the screen; and a reflector arranged between the first lens set and the second lens set, and adapted to change the light emitted from the first lens set such that the light emitted from the first lens set is incident on the second lens set. 5. The projector according to claim 4, wherein the first lens set comprises at least one focusing lens which is shiftable perpendicularly to a central axis of light emitted from the second lens set, to adjust a focus of the image. 6. The projector according to claim 4, wherein the second lens set comprises at least one zoom lens which is shiftable perpendicularly to the central axis of the light emitted from the first lens set, to adjust a focus of the image. 7. The projector according to claim 4, wherein the reflector comprises a fully-reflective mirror or a prism. 8. The projector according to claim 4, wherein the central axis of the light emitted from the first lens set is perpendicular to a central axis of light emitted from the second lens set. 9. The projector according to claim 4, wherein the first and second lens sets are arranged perpendicularly to an image display face of the micro device. 10. The thin projector according to claim 1, wherein the projection lens unit is shiftable in a vertical direction of the front side of the housing, to adjust a position of the image projected onto the screen. 11. The projector according to claim 1, wherein the micro device is a liquid crystal display (LCD) panel, a liquid crystal on silicon (LCOS) panel, or a digital micromirror device (DMD) panel. 12. The projector according to claim 1, wherein the projection lens unit comprises a first lens set, a second lens set, a third lens set, a fourth lens set, and a reflector arranged between adjacent ones of the first, second, third, and fourth lens sets, to change a direction of light incident on the projection lens unit. 13. The projector according to claim 12, wherein the first lens set comprises at least one focus adjusting lens, the second lens set comprises at least one zoom lens, the third lens unit comprises at least one compensation lens, and the fourth lens set comprises at least one master lens. 14. The projector according to claim 1, further comprising: a reflector arranged at an upstream end of the projection lens unit, and adapted to change a direction of light emitted from the projection lens unit such that the hght emitted from the projection lens unit is externally emitted from the housing. 15. The projector according to claim 1, wherein the illumination unit comprises: a light source adapted to generate light; a first illumination lens set adapted to provide a uniform brightness of the light generated from the light source; a second illumination lens set adapted to converge light emitted from the first illumination lens set; and a prism adapted to cause light emitted from the second illumination lens set to be incident on the micro device, and to cause light emitted from the micro device to be incident on the projection lens unit. 16. The projector according to claim 15, wherein the illumination unit further comprises: a color wheel arranged between the light source and the first illumination lens set, and adapted to separate the light generated from the light source into color light components; and a mirror or prism arranged between the first illumination lens set and the second illumination lens set, and adapted to reflect light emitted from the first illumination lens set to the second illumination lens set. 17. The projector according to claim 15, wherein the light source and the first illumination lens set are arranged on the same optical axis, and the first illumination lens set and the second illumination lens set are arranged on different optical axes, respectively. 18. The projector according to claim 15, wherein the second illumination lens set and the prism are arranged on the same optical axis. 19. The projector according to claim 15, wherein the prism is a total internal reflection (TIR) prism, and is arranged over an image display face of the micro device. 20. The projector according to claim 15, wherein the first illumination lens set comprises a light tunnel adapted to provide a uniform brightness of light, and at least one condensing lens, and the second illumination lens set comprises at least one condensing lens adapted to converge light. 21. The projector according to claim 1, wherein the projection lens unit is arranged at one lateral side of the housing, the illumination unit is arranged at the top side of the housing, and a circuit for driving the projection lens unit, the illumination unit, and the micro device is arranged at the bottom side of the housing. 22. The projector according to claim 21, further comprising: air inlets formed at the lateral side of the housing where the projection lens unit is arranged and at the bottom side of the housing where the circuit is arranged; and an air outlet formed at the top side of the housing where the illumination unit is arranged. 23. A projector comprising: a housing having a front side, a rear side, and lateral sides, wherein each of the front side and the rear side has an area larger than an area of each of the lateral sides; an illumination unit arranged in an interior of the housing, the illumination unit generating light and emitting the generated light; a micro device arranged in the interior of the housing, the micro device receiving the light from the illumination unit and producing an image using the received light; a projection lens unit to project the image on a screen, the projection lens unit reflecting and emitting the image through the front side having an area larger than the area of each of the lateral sides; and a fixing member adapted to fix the housing in an upright state in which the front side is vertically oriented, wherein the projection lens unit projects the image along an optical axis that is at least substantially perpendicular to the front side and wherein areas of the front side and the rear side are larger than areas of all other sides of the housing. 24. The projector according to claim 1, wherein the housing has substantially an oval shape. 25. The projector according to claim 1, wherein the housing has substantially a triangular shape. 26. The projector according to claim 1, wherein the housing has substantially a circular shape. 27. The projector according to claim 1, wherein the housing has substantially an polygonal shape.
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이 특허에 인용된 특허 (9)
Dvorkis,Paul; Goldman,Ron; Tan,Chinh; Yavid,Dmitriy; Stern,Miklos; Wittenberg,Carl; Wood,Frederick F.; Strat,Askold; Slutsky,Michael; Nambudiri,Narayan; Rizza,Richard; Mazz,Thomas; Fan,Lisa, Color image projection arrangement and method.
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