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公开(公告)号：US11906888B2
公开(公告)日：2024-02-20
申请号：US17212710
申请日：2021-03-25
发明人： Shigekazu Aoki , Shingo Komiyama , Junichi Suzuki
CPC分类号： G03B21/2013 , G03B21/16 , G03B21/204 , H04N9/3161 , H04N9/3164
摘要： A light source apparatus includes a first light source that emits first light belonging to a first wavelength band, a second light source that emits second light belonging to a second wavelength band, a wavelength converter that contains a phosphor and converts the first light into third light belonging to a third wavelength band different from the first, a first heat dissipation member that includes a plurality of first fins and dissipates heat generated by the first light source, a second heat dissipation member that includes a plurality of second fins and dissipates heat generated by the second light source, and a first direction wherein first channels, specified by the gaps between the first fins and along which a refrigerant is supplied, extend coincides with a second direction wherein second channels, specified by the gaps between the second fins and along which the refrigerant is supplied, extend.
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公开(公告)号：US11287729B2
公开(公告)日：2022-03-29
申请号：US16524621
申请日：2019-07-29
发明人： Hidefumi Sakata , Junichi Suzuki
摘要： A light source device includes a light source that emits first and second excitation lights, a first wavelength conversion section including a first phosphor, and configured to convert the first excitation light into first fluorescence having a first wavelength band, a second wavelength conversion section including a second phosphor, and configured to convert the second excitation light into second fluorescence having a second wavelength band, and a light combining section that combines the first fluorescence and the second fluorescence. A first side surface of the first wavelength conversion section and a second side surface of the second wavelength conversion section are opposed to each other, the first fluorescence is emitted from a first end surface of the first wavelength conversion section toward the light combining section, and the second fluorescence is emitted from a first end surface of the second wavelength conversion section toward the light combining section.
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公开(公告)号：US11175574B2
公开(公告)日：2021-11-16
申请号：US16724506
申请日：2019-12-23
发明人： Junichi Suzuki , Hidefumi Sakata , Shingo Komiyama
摘要： A light source apparatus according to an aspect of the present disclosure includes a light source section that emits first light and excitation light having a first wavelength band, a light guide that causes the first light emitted from the light source section to propagate, a wavelength converter including a phosphor that emits second light having a wavelength band different from the wavelength band of the excitation light when the wavelength converter is excited with the excitation light emitted from the light source section, and a light combiner that combines the first light having exited out of the light guide with the second light having exited out of the wavelength converter. The light guide and the wavelength converter are disposed side by side, and a light transmissive member that transmits the first light is provided between the light source section and the light guide.
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公开(公告)号：US11101415B2
公开(公告)日：2021-08-24
申请号：US16564302
申请日：2019-09-09
发明人： Hidefumi Sakata , Junichi Suzuki
摘要： A light source apparatus according to an aspect of the present disclosure includes a light source, a first wavelength converter that converts first excitation light into first fluorescence, a second wavelength converter that converts second excitation light into second fluorescence, a third wavelength converter that converts third excitation light into third fluorescence, a light combiner that combines the first fluorescence, the second fluorescence, and the third fluorescence with one another, and a light source driver that causes the light source to output the first excitation light, the second excitation light, and the third excitation light in a time sequential manner. The first, second, and third wavelength converters are disposed in parallel to one another. The excitation light enters the wavelength converters via side surfaces, and the fluorescence exits via end surfaces of the wavelength converters.
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公开(公告)号：US09785041B2
公开(公告)日：2017-10-10
申请号：US15139022
申请日：2016-04-26
发明人： Shun Sato , Junichi Suzuki , Satoshi Kito
CPC分类号： G03B21/2053 , G03B21/006 , G03B21/2026 , H04N9/3155 , H04N9/317 , H04N9/3194 , H04N9/3197 , H05B41/2886 , H05B41/2887 , H05B41/38 , Y02B20/202
摘要： A discharge lamp driving device includes a discharge lamp driving unit configured to supply a driving current to a discharge lamp including electrodes, a controller configured to control the discharge lamp driving unit, and a voltage detection unit configured to detect an inter-electrode voltage of the discharge lamp, in which the controller controls the discharge lamp driving unit so that the driving current includes a hybrid period in which a first period for supplying an AC current with a first frequency to the discharge lamp and a second period for supplying a DC current to the discharge lamp are alternately repeated, in which the first frequency includes a plurality of different frequencies, and in which the controller changes the first frequency on the basis of at least one of the detected inter-electrode voltage and driving power supplied to the discharge lamp.
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6.发明授权公开(公告)号：US09538627B2
公开(公告)日：2017-01-03
申请号：US14157925
申请日：2014-01-17
发明人： Junichi Suzuki
CPC分类号： H05B41/38 , G03B21/2053 , H05B41/24 , H05B41/2882 , H05B41/2883 , H05B41/36
摘要： A light source drive device includes a supply unit that supplies a high-frequency first drive signal and a second drive signal whose frequency is lower than a frequency of the first drive signal to a discharge lamp which has a pair of electrodes, and a control unit that controls the supply unit so that the first drive signal and the second drive signal of fixed durations are alternately supplied and that controls the supply unit so that the first drive signal is supplied in a case where a voltage between the pair of electrodes is below a threshold.
摘要翻译： 光源驱动装置包括供给单元，该供给单元将频率低于第一驱动信号的频率的高频第一驱动信号和第二驱动信号提供给具有一对电极的放电灯，以及控制单元 其控制供应单元，使得交替地提供固定持续时间的第一驱动信号和第二驱动信号，并且控制供应单元，使得在一对电极之间的电压低于一个的情况下提供第一驱动信号 阈。
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公开(公告)号：US08884543B2
公开(公告)日：2014-11-11
申请号：US13752680
申请日：2013-01-29
发明人： Junichi Suzuki
IPC分类号： H05B41/16 , H05B41/24 , H05B37/00 , H05B39/00 , H05B41/36 , H05B41/288 , H05B41/292 , H05B41/28
CPC分类号： H05B41/36 , H05B41/28 , H05B41/2887 , H05B41/2928 , Y02B20/202
摘要： A light source device includes a discharge lamp having a light emitting case and a pair of electrodes, a drive device, a voltage detector, and a time measurement device, the drive device alternately repeats a first alternating current supply interval and a second alternating current supply interval, measures a period of the first and the second alternating current supply interval with the time measurement device, performs a change from the first alternating current supply interval to the second alternating current supply interval when the period of the first alternating current supply interval reaches a predetermined period A, and performs a change from the second alternating current supply interval to the first alternating current supply interval when the period of the second alternating current supply interval reaches a predetermined period B, or when an absolute value of an inter-electrode voltage of the pair of electrodes reaches a threshold value.
摘要翻译： 光源装置包括具有发光壳体和一对电极的放电灯，驱动装置，电压检测器和时间测量装置，所述驱动装置交替地重复第一交流电源间隔和第二交流电源 间隔，与所述时间测量装置一起测量所述第一和第二交流供给间隔的周期，当所述第一交流供给间隔的周期达到所述第一交流供给间隔时，进行从所述第一交流供给间隔向所述第二交流供给间隔的变化 预定周期A，当第二交流供给间隔的周期达到预定周期B时，执行从第二交流供给间隔向第一交流供给间隔的变化，或者当绝缘值为 该对电极达到阈值。
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公开(公告)号：US11150548B2
公开(公告)日：2021-10-19
申请号：US16549265
申请日：2019-08-23
IPC分类号： G03B21/20
摘要： A light source apparatus according to an aspect includes a light source that outputs first light and second light, wavelength converter that contains phosphor and converts first light into fluorescence, and a light combiner that combines second light with fluorescence and outputs the resultant combined light. Wavelength converter has a first end surface and a second end surface and a side surface. Light combiner has a first surface and a second surface and a third surface. First end surface of the wavelength converter faces the first surface of the light combiner. First light enters the wavelength converter via the side surface, and the fluorescence exits out of the wavelength converter via the first end surface. Fluorescence enters the light combiner via the first surface, the second light enters the light combiner via the third surface, and the combined light exits out of the light combiner via the second surface.
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公开(公告)号：US11022869B2
公开(公告)日：2021-06-01
申请号：US16690537
申请日：2019-11-21
IPC分类号： G03B21/20 , F21V8/00 , F21Y115/30
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.
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10.发明授权公开(公告)号：US10925127B2
公开(公告)日：2021-02-16
申请号：US16135147
申请日：2018-09-19
发明人： Masaru Kono , Junichi Suzuki , Shun Sato , Yuichiro Iwama
IPC分类号： H05B41/38 , G03B21/20 , H05B41/292 , H05B41/288 , H01J61/86
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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