Abstract:
PROBLEM TO BE SOLVED: To provide a lighting system that corrects a polarizing direction and has high light use efficiency and to provide a projector. SOLUTION: The lighting systems 10r, 10g, and 10b comprises: light sources 21 to 30 which emit light in a predetermined polarizing direction; a light guide element 12 including a rod-like light guide body by which the illumination distribution of light emitted from the light sources 21 to 30 is made almost uniform; and a wavelength plate 13 that corrects polarizing direction deviation caused when light emitted from the light sources 21 to 30 is guided along the light guide element 12. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device or the like which is capable of reducing spread of a luminous flux to efficiently supply light. SOLUTION: The light source device includes at least two light emission parts 101 and 102 for supplying light and a polarization separating part 107 which separates light from the light emission parts 101 and 102 into polarized light in a first oscillation direction and polarized light in a second oscillation direction approximately orthogonal to the first oscillation direction by transmitting the polarized light in the first oscillation direction out of light from the light emission parts 101 and 102 and reflecting the polarized light in the second oscillation direction. The light emission parts 101 and 102 have reflection parts 103 and 104 which reflect light travelling from the polarization separating part 107 toward the light emission parts 101 and 102, toward the polarization separating part 107. The polarization separating part 107 synthesizes the polarized light in the first oscillation direction, which is transmitted through the polarization separating part 107, and the polarized light in the second oscillation direction, which is reflected by the polarization separating part 107, and causes the resultant light to travel in a prescribed direction L. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an optical scanner for displaying a large-sized and high-quality image by reducing variation of a spot shape on a screen or the like and decreasing the scanning angle of a laser beam, and to provide an image display apparatus using the optical scanner. SOLUTION: The optical scanner is equipped with a light source 101 for supplying a laser beam, a scanning section 103 for scanning the laser beam L from the light source 101 at a prescribed scanning angle θ1, and an optical element 105 having an incident face for entering the light from the scanning section 103 as well as an outgoing face for emitting the light entered from the incident face. The incident face and the outgoing face are installed with such an inclined angle as to guide the light to an angular range θ2 larger than the prescribed scanning angle θ1. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a display panel or the like capable of carrying out control by light addressing, and of reducing a cost with a simple structure. SOLUTION: This display panel comprises: optically transparent first transparent electrode layer 102 and second transparent electrode layer 104; a conductivity-variable layer 103 which is formed on the first transparent electrode layer 102 and in which electric conductivity is changed in response to luminous energy of control light L having passed the first transparent electrode layer 102; and a function layer 110 stacked on the conductivity-variable layer 103, formed between the conductivity-variable layer 103 and the second transparent electrode layer 104 and having at least a luminescent layer 114. A predetermined voltage is applied between the first transparent electrode layer 102 and the second transparent electrode layer 104; and the luminescent layer 114 emits light in response to the luminous energy of the control light L. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a light source device or the like capable of restraining the unevenness of light quantity in an image with simple configuration when using a plurality of solid-state light emitting elements and yielding the image having good color balance. SOLUTION: The light source device 101R has a solid-state light source 200 equipped with a light emitting part 201 supplying illuminating light, and a light quantity detection part 210 provided near the light emitting part 201 and detecting the quantity of at least part of light out of the illuminating light from the light emitting part 201, and a temperature detection part 220 detecting the temperature of the light source 200. The controller for the light source device has a white balance adjusting part to correct the target value of the quantity of the illuminating light from the light emitting part 201 based on the results of detection from the temperature detection part 220 in order to adjust the white balance of the illuminating light, and a light quantity adjusting part to adjust the quantity of the illuminating light from the light emitting part 201 to the target value corrected in the white balance adjusting part based on the results of detection from the light quantity detection part 210. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a display panel or the like which performs control by optical addressing, and displays exact images by reducing changes in light quantity caused by temperature changes. SOLUTION: This display panel has a conductivity variable layer 203 whose electrical conductivity changes according to the quantity of control light L, an electroluminescence layer 204 which emits light by a current corresponding to the conductivity, and a temperature sensor 132 which is provided near the variable layer 203 and detects the temperature of the variable layer 203. The electroluminescence layer 204 emits light at a desired gradation level by the control light L whose quantity is corrected based on the temperature of the variable layer 203. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an image display device which can secure the brightness enough to display the image and the safety by using independent laser beams for each color. SOLUTION: It has a laser light source 101 to supply the laser beam modulated by the image signals, a scanner 106 to scan the laser beam from the laser light source 101 in a two-dimensional direction, and a case 110 to house at least the laser light source 101 and the scanner 106. The case 110 emits the laser beam made to scan by the scanner 106 from an emitter 108, the emitter 108 is located at the position to radiate the laser beam scanned by the scanner 106 to the predetermined area, at least with the intensity lower than predetermined. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a projector easily realizing white color while operating all the LEDs efficiently. SOLUTION: The number of LEDs 21f, 23f and 25f of every color respectively operated in respective color light illuminators 21, 23 and 25 is set on the basis of the target luminous flux amount Ag, Ab or Ar of every color considering the light utilization efficiency Gg, Gb or Gr of the LED 21f, 23f or 25f. Thus, a color (for example, white) more approximate to the aimed one is realized by making the color balance of illuminance in respective color liquid crystal light valves 31, 33 and 35 appropriate while consecutively operating the LEDs 21f, 23f and 25f efficiently. Further, a volume for adjustment is not required, so that circuit structure is made simpler and the operation of the respective LEDs 21f, 23f and 25f is made more stable than in the case of adjusting outputted luminous flux amount by adjusting the power of the respective LEDs 21f, 23f and 25f. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation:要解决的问题:为了有效地提供投影机轻松地实现白色,同时全部操作LED。 解决方案:分别在各个颜色光照射器21,23和25中操作的每种颜色的LED 21f,23f和25f的数量是基于考虑到每个颜色的每种颜色的目标光通量Ag,Ab或Ar LED 21f,23f或25f的光利用率Gg,Gb或Gr。 因此,通过使各个彩色液晶光阀31,33和35中的照度的颜色平衡适当地连续地操作LED 21f,23f和25f来实现更接近目标的颜色(例如,白色)。 此外,不需要用于调节的音量,使得电路结构更简单,并且使各个LED 21f,23f和25f的操作比通过调节各个LED 21f,23f和25f的功率来调节输出光通量的情况更稳定 LED 21f,23f和25f。 版权所有(C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method for controlling an optical control device for using the light control device at an inexpensive cost in a simple constitution. SOLUTION: The optical control device has a transparent electrode 202, an electric conductivity variable part 203, a drive electrode 204, and a movable part 108. The method for controlling the device includes a control light supply process for making control light L of constant intensity incident on the transparent electrode 202, a modulation voltage supply process for applying voltage modulated between the transparent electrode 202 and the movable part 108 in response to an input signal, and a moving process for making the control light L on the transparent electrode 202, generating force F in response to modulated voltage between the drive electrode 204 and the movable part 108 by changing electric conductivity of the electric conductivity variable part 203, and moving the movable part 108 to a prescribed position. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a lens barrel, etc., capable of improving the utilization efficiency of light with simple constitution. SOLUTION: A lens barrel 200 has, for example, a lens 220 which transmits light from a light source 201 consisting of solid-state light emitting elements such as light emitting diode elements in a predetermined direction and a light guiding part 210 which is provided at the periphery of the lens 220 and supports the lens 220. The light guiding part 210 guides the light in the predetermined direction being the direction of, for example, a spatial light modulation device by reflecting the light entering directly from the light source part 201 or by reflecting them after refracting them. COPYRIGHT: (C)2005,JPO&NCIPI