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公开(公告)号：US20200314394A1
公开(公告)日：2020-10-01
申请号：US16801321
申请日：2020-02-26
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Hiroki MASUDA , Masahiro OGAWA , Osamu UMAMINE , Tetsuro NARIKAWA
Abstract: A light source device includes: a first light emitting element that emits first wavelength band light; a fluorescence wheel including a fluorescence emission region with which fluorescence excited by the first wavelength band light is emitted as second wavelength band light; a second light emitting element that emits third wavelength band light; a combining unit that combines the first wavelength band light, the second wavelength band light, and the third wavelength band light; a color wheel; and a CPU that controls the first light emitting element, the second light emitting element, the fluorescence wheel, and the color wheel, wherein the CPU performs synchronization control on the fluorescence wheel and the color wheel, and performs control to shift a synchronization position of the color wheel with respect to the fluorescence wheel in accordance with an output mode.
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Patent Agency Ranking
公开(公告)号：US20210063855A1
公开(公告)日：2021-03-04
申请号：US17010437
申请日：2020-09-02
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Osamu UMAMINE
Abstract: A light source unit includes a first light source configured to emit light in a first wavelength range, a second light source configured to emit light in a first wavelength range, a first dichroic mirror configured to reflect the light in the second wavelength range incident thereon at a first incident angle and transmit the light in the second wavelength range incident thereon at a second incident angle, which is different from the first incident angle, and a second dichroic mirror configured to reflect the light in the second wavelength range that has passed through the first dichroic mirror, wherein after having been reflected by the second dichroic mirror, the light in the second wavelength range is incident on the first dichroic mirror at the first incident angle to then be reflected by the first dichroic mirror.
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3.发明申请LIGHT SOURCE UNIT EMITTING THE THREE PRIMARY COLORS OF LIGHT AND PROJECTOR INCLUDING THE LIGHT SOURCE UNIT 有权光源单元产生三种主要颜色的光源和投影仪，包括光源单元公开(公告)号：US20160241820A1
公开(公告)日：2016-08-18
申请号：US14981324
申请日：2015-12-28
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Osamu UMAMINE
CPC classification number: G02B26/008 , G03B21/16 , G03B21/2033 , G03B21/204 , G03B21/2073 , G03B31/00 , H04N9/3114 , H04N9/3158
Abstract: To provide a light source unit whose overall size is relatively small and a projector which incorporates the light source unit, there is provided a light source unit including a first light source device for emitting light in a first wavelength range, a second light source device which is disposed on an axis of the light in the first wavelength range and having a luminescent light emitting area for emitting light in a second wavelength range by receiving the light in the first wavelength range, and a third light source device which is disposed on the axis of the light in the first wavelength range so as to face the first light source device for emitting light in a third wavelength range.
Abstract translation: 为了提供总体尺寸相对较小的光源单元和包括光源单元的投影仪，提供了一种光源单元，其包括用于发射第一波长范围的光的第一光源装置，第二光源装置， 设置在第一波长范围内的光轴上，具有通过接收第一波长范围的光而发射第二波长范围内的光的发光区域，以及配置在该轴线上的第三光源装置 以面对第一光源装置，以发射第三波长范围的光。
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公开(公告)号：US20240329507A1
公开(公告)日：2024-10-03
申请号：US18733651
申请日：2024-06-04
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Osamu UMAMINE
CPC classification number: G03B21/204 , G02B26/0816 , G02B27/102 , G02B27/141 , G03B21/2073 , G03B21/208
Abstract: A light source unit includes a first light source configured to emit light in a first wavelength range, a second light source configured to emit light in a first wavelength range, a first dichroic mirror configured to reflect the light in the second wavelength range incident thereon at a first incident angle and transmit the light in the second wavelength range incident thereon at a second incident angle, which is different from the first incident angle, and a second dichroic mirror configured to reflect the light in the second wavelength range that has passed through the first dichroic mirror, wherein after having been reflected by the second dichroic mirror, the light in the second wavelength range is incident on the first dichroic mirror at the first incident angle to then be reflected by the first dichroic mirror.
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公开(公告)号：US20220413374A1
公开(公告)日：2022-12-29
申请号：US17898217
申请日：2022-08-29
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Osamu UMAMINE
Abstract: A light source unit includes a first light source configured to emit light in a first wavelength range, a second light source configured to emit light in a first wavelength range, a first dichroic mirror configured to reflect the light in the second wavelength range incident thereon at a first incident angle and transmit the light in the second wavelength range incident thereon at a second incident angle, which is different from the first incident angle, and a second dichroic mirror configured to reflect the light in the second wavelength range that has passed through the first dichroic mirror, wherein after having been reflected by the second dichroic mirror, the light in the second wavelength range is incident on the first dichroic mirror at the first incident angle to then be reflected by the first dichroic mirror.
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公开(公告)号：US20140078472A1
公开(公告)日：2014-03-20
申请号：US14030972
申请日：2013-09-18
Applicant: CASIO COMPUTER CO., LTD.
Inventor： Hiroki MASUDA , Masahiro OGAWA , Osamu UMAMINE
CPC classification number: G03B21/142 , F21V9/08 , F21V13/08 , G03B21/2013 , G03B21/204 , G03B21/208 , H04N9/3161
Abstract: The invention includes an excitation light source, a light distribution adjusting member on which excitation light from the excitation light source is incident, and a luminescent material which emits luminous light of a different wavelength from that of the excitation light by the excitation light which passes through the light distribution adjusting member being shone on thereto, wherein the excitation light source is disposed so that the excitation light is incident on a light incident surface of the light distribution adjusting member at a predetermined angle.
Abstract translation: 本发明包括激发光源，来自激发光源的激发光入射的配光调节部件，以及通过激发光通过的发出与激发光不同的波长的发光的发光材料 照射在其上的配光调节构件，其中激发光源被设置为使得激发光以预定角度入射到配光调节构件的光入射表面。
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