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    • 1. 发明授权
    • Calibration camera with spectral depth
    • 具有光谱深度的校准相机
    • US08190007B2
    • 2012-05-29
    • US12922717
    • 2009-03-13
    • Eduard Johannes MeijerJan De GraafMarcus Antonius Verschuuren
    • Eduard Johannes MeijerJan De GraafMarcus Antonius Verschuuren
    • G03B37/02
    • H04N5/2256G03B15/05G03B2215/05G03B2215/0585H04N17/002
    • An imaging device (300), a lighting control system (400) including the imaging device (300), and a method for aligning with a reference image lighting of a site (220) illuminated by least one light source (240) are provided. The imaging device (300) and/or the lighting control system (400) include at least one processor (410) configured to control the imaging device (300) and the light source (240). The imaging device (300) has an array of reflectors (320) including selectable reflectors; a lens configured to receive image rays (330) for forming an image including pixels and provide the image rays (330) to the array of reflectors (320) for reflection as reflected rays (355); and a detector (310) configured to receive the reflected rays (355) and detect characteristics of each pixel of the image for form a resolved image. The processor (410) is further configured to sequentially select each reflector (350) of the array of reflectors (320) for reflecting the reflected rays (355) towards the detector (310).
    • 提供了一种成像设备(300),包括成像设备(300)的照明控制系统(400)和用于与由至少一个光源(240)照明的场所(220)的参考图像照明进行对准的方法。 成像设备(300)和/或照明控制系统(400)包括配置成控制成像设备(300)和光源(240)的至少一个处理器(410)。 成像装置(300)具有包括可选反射器的反射器阵列(320) 配置为接收用于形成包括像素的图像的图像射线(330),并将所述图像射线(330)提供给所述反射器阵列(320)以作为反射射线(355)反射; 以及被配置为接收所述反射光线(355)并检测所述图像的每个像素的特征以形成分辨图像的检测器(310)。 处理器(410)还被配置为顺序地选择反射器阵列(320)的每个反射器(350),以将反射光线(355)反射到检测器(310)。
    • 3. 发明申请
    • ILLUMINATION SYSTEM, METHOD AND PROJECTION DEVICE FOR CONTROLLING LIGHT EMITTED DURING A SPOKE TIME PERIOD
    • 照明系统,用于控制发射时间期间发光的方法和投影装置
    • US20100315604A1
    • 2010-12-16
    • US12744077
    • 2008-04-23
    • Martinus Petrus Joseph PeetersMarcellus Jacobus Johannes Van Der LubbeElvira Johanna Maria PaulussenDaniel Anton BenoyJan De Graaf
    • Martinus Petrus Joseph PeetersMarcellus Jacobus Johannes Van Der LubbeElvira Johanna Maria PaulussenDaniel Anton BenoyJan De Graaf
    • G03B21/28H05B37/02G03B21/14
    • H04N9/3155G02B7/006G02B26/008G03B21/204H04N9/3114
    • The invention relates to an illumination system (100), a projection device, and a color wheel (20, 22, 24). The illumination system comprises a light source comprising a first light-emitting unit (50) and a second light-emitting unit each emitting light towards a light output window (110). The illumination system comprises the color wheel comprising a plurality of color segments (R, G, B), a boundary between two adjacent color segment being a spoke (40). The first light-emitting unit, the second light-emitting unit and the spoke are configured for preventing the spoke when transiting the optical path (80) between the light source and the light output window to simultaneously transit a first optical path between the first light-emitting unit and the light output window and a second optical path between the second light-emitting unit and the light output window. The illumination system further comprises a drive unit (92) which is configured for switching off the first light-emitting unit during a time interval (pI) when the spoke transits the first optical path. The effect of the illumination system according to the invention is that the color of the light emitted during the spoke time does not change gradually but changes relatively abruptly enabling the projection device to use the light emitted during the spoke time without the need for complex compensation techniques.
    • 本发明涉及照明系统(100),投影装置和色轮(20,22,24)。 照明系统包括光源,该光源包括第一发光单元(50)和第二发光单元,每个发光单元向光输出窗(110)发射光。 所述照明系统包括色轮,所述色轮包括多个颜色段(R,G,B),两个相邻颜色段之间的边界是辐条(40)。 第一发光单元,第二发光单元和辐条构造成用于在转移光源和光输出窗口之间的光路(80)时防止辐条同时传送第一光 发光单元和光输出窗口以及第二发光单元和光输出窗口之间的第二光路。 所述照明系统还包括驱动单元(92),所述驱动单元(92)被配置为当所述辐条转过所述第一光路时,在时间间隔(pI)期间关闭所述第一发光单元。 根据本发明的照明系统的效果是在辐射时间期间发射的光的颜色不会逐渐变化,而是相对突然地变化,使得投影装置能够使用在辐射时间期间发射的光,而不需要复杂的补偿技术 。
    • 8. 发明授权
    • Phosphor in polycrystalline ceramic structure and a light-emitting element comprisng same
    • 多晶陶瓷结构中的荧光体和包含其的发光元件
    • US08496852B2
    • 2013-07-30
    • US12971605
    • 2010-12-17
    • Jan De GraafTheo Arnold Kop
    • Jan De GraafTheo Arnold Kop
    • C09K11/00
    • C04B35/6455C04B35/6261C04B35/62625C04B35/63C04B35/632C04B38/0054C04B2111/807C04B2235/3205C04B2235/3222C04B2235/3224C04B2235/3225C04B2235/3229C04B2235/3286C04B2235/6022C04B2235/6023C04B2235/6027C04B2235/785C04B2235/786C04B2235/80C09K11/7774H01L33/502Y10T428/26C04B35/44
    • The invention relates to a phosphor in a polycrystalline ceramic structure and a light-emitting element provided with the same comprising a Light-Emitting Diode (LED) in which a composite structure of phosphor particles is embedded in a matrix, characterized in that the matrix is a ceramic composite structure comprising a polycrystalline ceramic alumina material, hereafter called luminescent ceramic matrix composite. This luminescent ceramic matrix composite can be made by the steps of converting a powder mixture of ceramic phosphor particles and alumina particles into a slurry, shaping the slurry into a compact, and applying a thermal treatment, optionally in combination with hot isostatic pressing into a polycrystalline phosphor-containing ceramic alumina composite structure. The luminescent ceramic matrix composite further allows a method of tuning the light-diffusing properties by changing at least one of the fractions of phosphor particles and second ceramic particles, the grain size of the particles of the ceramic composite structure, the difference in the refractive index of the particles of the ceramic composite structure, and the porosity in the polycrystalline phosphor-containing ceramic composite structure.
    • 本发明涉及一种多晶陶瓷结构中的荧光体和具有该荧光体的发光元件,该发光元件包括发光二极管(LED),其中将荧光体颗粒的复合结构嵌入基体中,其特征在于,所述基体为 包括多晶陶瓷氧化铝材料的陶瓷复合结构,以下称为发光陶瓷基复合材料。 这种发光陶瓷基复合材料可以通过将陶瓷荧光体颗粒和氧化铝颗粒的粉末混合物转化成浆料,将浆料成型为成型体并将热处理任选地与热等静压一起加热成多晶的步骤 含磷陶瓷氧化铝复合结构。 发光陶瓷基复合材料还允许通过改变荧光体颗粒和第二陶瓷颗粒的分数中的至少一个,陶瓷复合结构的颗粒的粒径,折射率的差异来调节光扩散性质的方法 的陶瓷复合结构的颗粒,以及多晶磷光体陶瓷复合结构中的孔隙率。