Abstract:
PROBLEM TO BE SOLVED: To provide a light source device and a display device having a lower number of components than a conventional stereoscopic display device of parallax barrier type and achieving space saving.SOLUTION: A light source device for emitting light for image display toward a display unit 1 includes a light source 2 and a light guide plate 3. The light guide plate 3 includes a first internal reflection surface 3A and a second internal reflection surface 3B. The first inner reflection surface 3A includes a total reflection area 32 for performing total internal reflection of a light beam incident at an incident angle satisfying a given total reflection condition and a diffusion area 31 for emitting to the outside at least a part of the light beam incident at the incident angle satisfying the given total reflection condition in the total reflection area 32. The diffusion area 31 and the total reflection area 32 may be provided to the second internal reflection surface 3B.
Abstract:
PROBLEM TO BE SOLVED: To make it possible to prevent degradation in light use efficiency and to switch between a two-dimensional display and a three-dimensional display without degrading display quality.SOLUTION: A stereoscopic display apparatus includes a light source device for emitting image display light toward a display section 1. The light source device includes: a light guide plate 3 with a first internal reflecting surface 3A and a second internal reflecting surface 3B; a first light source 2 for emitting first illuminating light from the side direction toward the inside of the light guide plate 3; and a second light source 4 for emitting second illumination light toward the second internal reflecting surface 3B. The second internal reflecting surface 3B has a total reflection area 32 and a scattering area 31. A reflecting member (reflecting area 51) for reflecting light passed through the scattering area 31, toward the first internal reflecting surface 3A is provided in a place corresponding to the scattering area 31 between the second internal reflecting surface 3B and the second light source 4.
Abstract:
PROBLEM TO BE SOLVED: To provide a planar illumination device capable of controlling generation of bright line due to light leakage between unit light guide plates manufactured by an injection molding method. SOLUTION: The planar illumination device is provided with a light guide plate 10 in which unit light guide plates 11, 12 are arranged in proximity each other and a light source 13 is provided at the side face in arrangement direction of the light guide plate 10. A projection part 12A is provided at the opposed face to the unit light guide plate 11 of one unit guide plate 12, and a recessed part 11B into which the projection part enters is provided at the opposed face of the other unit light guide plate 11 facing this projection part 12A. The recessed part 11B is preferably formed so that the recessed part 11B and the projection part 12A may be engaged without a gap. The projection part 12A corresponds to a residual portion of resin which is generated at a gate portion upon injection molding of the unit light guide plate 12. Thereby, by this projection part, the residual portion of resin can be avoided and the unit light guide plate 11 and the unit light guide plate 12 can be arranged sufficiently in proximity. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a video display system having improved displaying quality. SOLUTION: On a light source 11 and a video display device 13 provided separately and connected to each other via lighting fiber optics 12, a detection unit 14 is arranged along the lighting fiber optics 12. The detection unit 14 has a detection part 18, and detection fiber optics 19 for transferring incident light into the detection part 18. The detection fiber optics 19 are provided in close contact with the surface of the lighting fiber optics 12 so that its shape is changed along with the lighting fiber optics 12. Thus, the intensity of the light propagated into the detection fiber optics 19 is detected so that the intensity of the light propagated into the lighting fiber optics 12 is indirectly observed (detected), and the light emission quantity of the light source 11 is adjusted in accordance with the detection result. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a planar light source device capable of achieving high luminance, hardly causing luminance irregularity, and having a structure capable of achieving reduction in size and thickness. SOLUTION: In this planar light source device composed of a plurality of planar light source units, and illuminating a transmission type liquid crystal display device from the back, each planar light source unit 41 is composed of (A) a box-like member 42 comprising a top surface member 42A, a bottom surface member 42B and side surface members 42C, and (B) a light source 46 arranged in the box-like member 42; light diffusing/reflecting layers 44A, 44B and 44C are formed on the inner surfaces of the top surface member 42A, the bottom surface member 42B and the side surface members 42C, respectively; and an opening 45 is formed on the top surface member 42A. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To achieve a thin liquid crystal display having low power consumption that can reduce an uneven color and luminance irregularities. SOLUTION: The liquid crystal display comprises a light source consisting of a plurality of light-emitting diodes 21 for emitting at least red, green, and blue light; an optical member 30 for covering the light emission direction of the plurality of light-emitting diodes 21 that are light sources and controlling the radiation angle distribution of colored light emitted from each light-emitting diode 21; a diffusion reflection means 41DR for diffusing and reflecting the colored light that enters the optical member 30 and is guided while being totally reflected repeatedly; and a diffusion plate 141 that diffuses the colored light emitted from the optical member 30 for planar emission. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a transferring method for an element by which the element is precisely, simply and selectively transferred, and to provide an arraying method for the element and a manufacturing method for an image display device. SOLUTION: This transferring method for the element comprises: a light irradiation step for selectively irradiating an adhesive agent layer with light to form an adhesive region and a non-adhesive region; and a transfer step for selectively transferring the element transferred to the adhesive region. By forming a region irradiated with UV rays and a region not irradiated, a pattern of the non-adhesive region having no adhesion and the adhesive region keeping adhesion is precisely and freely formed on the same flat surface. So that, by forming the adhesive region in accordance with a position of the element to be transferred, the element is selectively transferred to the surface of the adhesive agent layer. COPYRIGHT: (C)2004,JPO
Abstract:
PROBLEM TO BE SOLVED: To obtain a manufacturing method of a flat-panel substrate for a flat-panel display panel and the flat-panel display panel wherein two sheets of flat-panel substrates for the flat-panel display panel can be precisely positioned mutually in parallel and fixed and sealed in a short time. SOLUTION: The flat-panel display panel 1 has the transparent flat-panel substrate 20 wherein a heat insulating layer 22 and a metal layer 23 are film-formed at plural positions of a surface of the outer peripheral part, and corresponding to the heat insulating layer 22 and the metal layer 23, has the flat-panel substrate 10 wherein the heat insulating layer 12 and the metal layer 13 are film-formed in plural positions of a surface of the outer peripheral part, and the both metal layers 13, 23 are made to oppose to each other and to position mutually in parallel, and a prescribed uniform distance is formed while a metal block 30 of a prescribed thickness is made to be intervened between the both metal layers 13, 23. Respective metal layers 13, 23 and the metal block 30 are respectively welded, and the whole circumference of the both flat-panel substrates 10, 20 is frit-sealed by a frit glass 40 at a part where the metal block 30 does not exist.
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device, along with a display device, capable of achieving a function equivalent to a parallax barrier.SOLUTION: The light source device includes a plurality of phosphor sections arranged at intervals in a designated direction and emitting first visible light by being excited with designated exciting light, and first light sources for emitting the designated exciting light. Further, second light sources controlling light emission by being independent from the first light sources and emitting second visible light toward the phosphor sections are arranged in the light source device. Here, ultraviolet light is used as designated exciting light.
Abstract:
PROBLEM TO BE SOLVED: To save a space by reducing the number of components compared with a conventional parallax barrier type stereoscopic display device.SOLUTION: A stereoscopic display device has a light source device which emits light for image display to a display part 1. The light source device includes a light source 2 and a light guide plate 3. The light guide plate 3 has a first internal reflection face 3A and a second internal reflection face 3B. The first internal reflection face 3A has a total reflection area 32 which makes a light beam entering with an incidence angle satisfying prescribed total reflection conditions reflected internally and totally and a diffusion area 31 which makes at least a part of the light beam entering with an incidence angle satisfying prescribed total reflection conditions in the reflection area 32 emitted to the outside. The diffusion area 31 and the total reflection area 32 can be provided on the second internal reflection face 3B.