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1. 发明公开

US20230161237A1 LIGHT SOURCE DEVICE AND PROJECTOR 审中-公开
公开(公告)号：US20230161237A1
公开(公告)日：2023-05-25
申请号：US17989774
申请日：2022-11-18
申请人： SEIKO EPSON CORPORATION
发明人： Junichi SUZUKI , Hidefumi SAKATA , Yuichiro IWAMA , Shingo KOMIYAMA
IPC分类号： G03B21/20
CPC分类号： G03B21/204
摘要： A light source device according to the present disclosure includes a light emitting element for emitting first light, a wavelength conversion member for converting the first light into second light, and a support member. The wavelength conversion member has a first face and a second face crossing a longitudinal direction of the wavelength conversion member, a third face and a fourth face crossing the first face and the second face, and a fifth face and a sixth face crossing the first face and the second face and crossing the third face and the fourth face, and the second light is emitted from the first face. A light emitting surface of the light emitting element is opposed to the third face. The support member has a support surface opposed to the fourth face, and a first wall surface which is opposed to the fifth face, and which is separated from the fifth face. The first wall surface has a first portion located at the wavelength conversion member side, and a second portion located at the support surface side, wherein the first portion extends in a direction perpendicular to the support surface, the second portion is tilted so as to get away from the fifth face as proceeding toward the first portion from the support surface, and the second portion reflects at least a part of the first light.

2. 发明公开

US20230163256A1 LIGHT SOURCE DEVICE AND PROJECTOR 审中-公开
公开(公告)号：US20230163256A1
公开(公告)日：2023-05-25
申请号：US17989845
申请日：2022-11-18
申请人： SEIKO EPSON CORPORATION
发明人： Junichi SUZUKI , Hidefumi SAKATA , Yuichiro IWAMA , Shingo KOMIYAMA
IPC分类号： H01L33/50 , H01L33/52
CPC分类号： H01L33/504 , H01L33/52
摘要： A light source device according to the present disclosure includes a light emitting element having a light emitting surface configured to emit first light having a first wavelength band, a wavelength conversion member which includes a phosphor, and which is configured to convert the first light emitted from the light emitting element into second light having a second wavelength band different from the first wavelength band, and a reflecting member having a reflecting surface configured to reflect the second light generated by the wavelength conversion member. The wavelength conversion member has a first face which crosses a longitudinal direction of the wavelength conversion member, and which emits the second light, a second face which crosses the longitudinal direction of the wavelength conversion member, and which is located at an opposite side to the first face, and a third face crossing the first face and the second face. The light emitting surface is disposed so as to be opposed to at least a part of the third face. The reflecting surface is disposed so as to be opposed to the second face. At least one of the second face and the reflecting surface is a rough surface.

3. 发明申请

US20150277216A1 PROJECTOR 有权
标题翻译：投影机
公开(公告)号：US20150277216A1
公开(公告)日：2015-10-01
申请号：US14656116
申请日：2015-03-12
申请人： SEIKO EPSON CORPORATION
发明人： Takeshi SOWA , Yuichiro IWAMA
IPC分类号： G03B21/20 , G03B21/16 , G03B21/00
CPC分类号： G03B21/2053 , G03B21/005 , G03B21/16 , G03B21/2026
摘要： A projector includes a discharge lamp and a discharge lamp drive section. The discharge lamp drive section is configured to selectively perform a first drive in which first drive power is supplied and a second drive in which second drive power higher than the first drive power is supplied in a first posture, and supply drive power not lower than third drive power and not higher than fourth drive power in a second posture in which optical axis intersects with horizontal plane, the third drive power is drive power with which one of the electrodes in the second posture is set to temperature corresponding to first temperature in the first drive in the first posture, and the fourth drive power is drive power with which one of the electrodes in the second posture is set to temperature corresponding to second temperature in the second drive in the first posture.
摘要翻译：投影仪包括放电灯和放电灯驱动部。放电灯驱动部被配置为选择性地执行其中提供第一驱动电力的第一驱动和第一驱动，其中以第一姿态提供高于第一驱动功率的第二驱动功率，并且提供不低于第三驱动功率的驱动电力在光轴与水平面相交的第二姿态中驱动动力并且不高于第四驱动力，第三驱动力是驱动力，第二姿势中的一个电极被设定为对应于第一姿势中的第一温度的温度驱动第一姿态，第四驱动力是第二姿态中的一个电极被设定为与第一姿势中的第二驱动中的第二温度相对应的温度的驱动电力。

4. 发明公开

US20240264516A1 LIGHT SOURCE DEVICE AND PROJECTOR 审中-公开
公开(公告)号：US20240264516A1
公开(公告)日：2024-08-08
申请号：US18433604
申请日：2024-02-06
申请人： SEIKO EPSON CORPORATION
发明人： Makoto ZAKOJI , Yuichiro IWAMA
IPC分类号： G03B21/20
CPC分类号： G03B21/2066 , G02B6/0055
摘要： A light source device according to the present disclosure includes a light emitting element configured to emit light, a light guide member configured to guide the light emitted from the light emitting element, a reflecting member having a reflecting surface configured to reflect the light proceeding through the light guide member, and a pressing member configured to press the reflecting member against the light guide member. The light guided through the light guide member is emitted from a first face. The light emitting element is disposed so as to be opposed to a third face. A second face and the reflecting surface have contact with each other, and the pressing member is configured to press the reflecting member from a surface at an opposite side to the reflecting surface of the reflecting member toward the second face.

5. 发明申请

US20200166828A1 LIGHT SOURCE APPARATUS AND PROJECTOR 审中-公开
公开(公告)号：US20200166828A1
公开(公告)日：2020-05-28
申请号：US16690537
申请日：2019-11-21
申请人： SEIKO EPSON CORPORATION
发明人： Hidefumi SAKATA , Junichi SUZUKI , Shingo KOMIYAMA , Yuichiro IWAMA
IPC分类号： G03B21/20 , F21V8/00
摘要： A light source apparatus according to an aspect of the present disclosure includes a first light source that emits first light, a second light source that emits second light, a light guide that causes the first light emitted from the first light source to propagate, a wavelength converter containing a phosphor that emits fluorescence when excited with the second light emitted from the second light source, and a light combiner that combines the first light having exited out of the light guide with the fluorescence having exited out of the wavelength converter. The light guide and the wavelength converter are disposed side by side. The light guide has a first end section and a second end section. The wavelength converter has a third end section and a fourth end section. The first light enters the light guide via the first end section thereof.

6. 发明公开

US20240126156A1 LIGHT SOURCE DEVICE AND PROJECTOR 审中-公开
公开(公告)号：US20240126156A1
公开(公告)日：2024-04-18
申请号：US18485580
申请日：2023-10-12
申请人： SEIKO EPSON CORPORATION
发明人： Yuichiro IWAMA , Shigekazu AOKI
IPC分类号： G03B21/20 , G03B21/14
CPC分类号： G03B21/2066 , G03B21/145 , G03B21/204 , G03B21/208
摘要： A light source device according to the present disclosure is provided with a light emitting element, a light guide member, a support member for supporting the light guide member in a groove part, and a holding member for holding the light guide member outside the groove part. The first face of the light guide member emits light guided by the light guide member, the light emitting element is disposed so as to be opposed to the third face, and the groove part has a support surface, a first wall surface, and a second wall surface. The light guide member has a protruding part which protrudes outside the groove part in at least one of both end portions on the first axis, and the protruding part is held by the holding member.

7. 发明公开

US20230305372A1 LIGHT SOURCE APPARATUS AND PROJECTOR 审中-公开
公开(公告)号：US20230305372A1
公开(公告)日：2023-09-28
申请号：US18188508
申请日：2023-03-23
申请人： SEIKO EPSON CORPORATION
发明人： Yuichiro IWAMA
IPC分类号： G03B21/20 , G03B21/00
CPC分类号： G03B21/204 , G03B21/006 , G03B33/12
摘要： A light source apparatus according to an aspect of the present disclosure includes a light emitter, a light guide member, a support member having a groove, and a position restriction member. The light guide member has a first surface and a second surface located at sides opposite from each other in a first direction, a third surface and a fourth surface located at sides opposite from each other in a second direction, and a fifth surface and a sixth surface located at sides opposite from each other in a third direction. The groove has a support surface facing the fourth surface, a first wall surface facing the fifth surface and separate from the fifth surface, and a second wall surface facing the sixth surface and separate from the sixth surface. The position restriction member includes a first placement section and a second placement section.

8. 发明公开

US20230221629A1 LIGHT GUIDING UNIT, MANUFACTURING METHOD FOR LIGHT GUIDING UNIT, LIGHT SOURCE, AND PROJECTOR 审中-公开
公开(公告)号：US20230221629A1
公开(公告)日：2023-07-13
申请号：US18153660
申请日：2023-01-12
申请人： SEIKO EPSON CORPORATION
发明人： Hidefumi SAKATA , Yuichiro IWAMA
IPC分类号： G03B21/20
CPC分类号： G03B21/204 , G03B21/2066
摘要： A light guiding unit of the present disclosure includes a light guiding member, an angle conversion member, and an adhesive. The light guiding member has an output end surface crossing longitudinal directions of the light guiding member and a side surface crossing the output end surface. The angle conversion member has an incident end surface entered by the light output from the output end surface. In a sectional view orthogonal to the output end surface, a dimension of the incident end surface is larger than a dimension of the output end surface. A part of the adhesive is provided between the output end surface and the incident end surface and another part of the adhesive is provided to cover a part of the side surface. In the sectional view orthogonal to the output end surface, a dimension of the adhesive provided to cover the part of the side surface is equal to or larger than the dimension of the output end surface and equal to or smaller than the dimension of the incident end surface, and the dimension of the adhesive is gradually larger from the side surface toward the incident end surface.

9. 发明申请

US20200033536A1 LIGHT SOURCE DEVICE AND PROJECTOR 审中-公开
公开(公告)号：US20200033536A1
公开(公告)日：2020-01-30
申请号：US16523386
申请日：2019-07-26
申请人： SEIKO EPSON CORPORATION
发明人： Junichi SUZUKI , Hidefumi SAKATA , Yuichiro IWAMA
IPC分类号： G02B6/293 , F21V8/00 , H01L33/50
摘要： A light source device includes a light source emitting first light in a first wavelength band, a light guide section guiding partial light of the first light, a wavelength conversion section including a phosphor, which other partial light of the first light, and which converts the other partial light into second light in a second wavelength band. A light guide section first side surface and a wavelength conversion section second side surface are opposed. The first side surface has a diffraction grating. The partial light enters the light guide section from the first side surface via the diffraction grating. The other partial light enters the wavelength conversion section from the second side surface. The partial and second lights are emitted in one of a normal direction of the first end surface of the light guide section and a normal direction of the third end surface of the wavelength conversion section.

10. 发明申请

US20190090333A1 DISCHARGE LAMP DRIVE DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVE METHOD 审中-公开
公开(公告)号：US20190090333A1
公开(公告)日：2019-03-21
申请号：US16135147
申请日：2018-09-19
申请人： SEIKO EPSON CORPORATION
发明人： Masaru KONO , Junichi SUZUKI , Shun SATO , Yuichiro IWAMA
IPC分类号： H05B41/38 , G03B21/20 , H01J61/86 , H05B41/288
摘要： A discharge lamp drive device includes a discharge lamp driver adapted to supply a drive current to a discharge lamp having a first electrode and a second electrode, a control section adapted to control the discharge lamp driver, and a storage section adapted to store a plurality of drive patterns of the drive current. The control section is adapted to select one drive pattern of the plurality of drive patterns based on machine learning, and execute the selected drive pattern.

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