公开(公告)号：US20090185173A1

公开(公告)日：2009-07-23

申请号：US12303023

申请日：2007-06-01

Applicant: Ian Ashdown ,  Marc Salsbury

Inventor： Ian Ashdown ,  Marc Salsbury

IPC: G01J1/00

CPC classification number: G01J1/04 ,  G01J1/02 ,  G01J1/0242 ,  G01J1/0403 ,  G01J3/504 ,  G01J2001/4247

Abstract: The invention provides an apparatus for sampling and determining characteristics of a light source. The apparatus comprises a sensor system configured to sample the spatial and spectral radiation characteristics of the light source and a goniometer that is configured to desirably control and adjust the relative position between the sensor system and the light source. The goniometer is configured to position the sensor system relative to the light source using two or more degrees of freedom. The apparatus additionally includes a control system configured to control the operation of the sensor system and the sampling of the spatial and spectral radiation characteristics of the light source. The control system is further configured to control operation of the goniometer for the relative positioning of the sensor system and the light source.

Abstract translation: 本发明提供一种用于采样和确定光源特性的装置。 该装置包括被配置为对光源的空间和光谱辐射特性进行采样的传感器系统和被配置为期望地控制和调整传感器系统和光源之间的相对位置的测角器。 测角器配置成使用两个或更多自由度来相对于光源定位传感器系统。 该装置还包括被配置为控制传感器系统的操作和对光源的空间和光谱辐射特性的采样的控制系统。 控制系统还被配置为控制测角器的操作以用于传感器系统和光源的相对定位。

公开(公告)号：US07538499B2

公开(公告)日：2009-05-26

申请号：US11366364

申请日：2006-03-02

Applicant: Ian Ashdown

Inventor： Ian Ashdown

IPC: H05B37/02

CPC classification number: H05B33/0854 ,  H05B33/0803

Abstract: The present invention provides a method and apparatus for controlling the thermal stress in lighting devices, for example light-emitting elements, that are exposed to large thermal gradients typically upon start-up, for example light-emitting elements operating in relatively cold ambient environments. The present invention provides an apparatus that can reduce this thermal stress, wherein the apparatus comprises a temperature determination mechanism for evaluating the temperature of the light-emitting elements prior to activation, and a control system to control the drive current such that it is gradually ramped up to the desired steady state peak current value, wherein the ramping of the drive current is dependent on the evaluated temperature of the light-emitting element.

Abstract translation: 本发明提供了一种用于控制照明装置（例如发光元件）中的热应力的方法和装置，其通常在启动时暴露于大的热梯度，例如在相对冷的环境环境中操作的发光元件。 本发明提供一种能够降低该热应力的装置，其中，该装置包括用于在激活之前评估发光元件的温度的温度确定机构，以及控制驱动电流使其逐渐斜升的控制系统 达到期望的稳态峰值电流值，其中驱动电流的斜坡取决于发光元件的评估温度。

公开(公告)号：US20090008662A1

公开(公告)日：2009-01-08

申请号：US11773473

申请日：2007-07-05

Applicant: Ian Ashdown ,  Shane Harrah

Inventor： Ian Ashdown ,  Shane Harrah

IPC: H01L33/00

CPC classification number: H01L25/0753 ,  H01L33/54 ,  H01L33/56 ,  H01L2224/48091 ,  H01L2224/48465 ,  H01L2924/09701 ,  H01L2924/00 ,  H01L2924/00014

Abstract: The invention provides a lighting device package with one or more light-emitting elements operatively coupled to a substrate; a compound lens disposed to interact with light emitted by the one or more light-emitting elements, the compound lens including at least an inner lens element and an outer lens element, the inner lens element having a first index of refraction and the outer lens element having a second index of refraction, the first index of refraction being greater than the second index of refraction; the compound lens, the one or more light-emitting elements and the substrate defining an enclosed space between them; and an encapsulation material filling at least part of said space, the encapsulation material having a third index of refraction equal or greater than the first index of refraction.

Abstract translation: 本发明提供了一种照明装置封装，其具有可操作地耦合到衬底的一个或多个发光元件; 复合透镜，设置成与由一个或多个发光元件发射的光相互作用，所述复合透镜至少包括内透镜元件和外透镜元件，所述内透镜元件具有第一折射率和所述外透镜元件 具有第二折射率，所述第一折射率大于所述第二折射率; 所述复合透镜，所述一个或多个发光元件和所述基板在其间限定封闭空间; 以及填充所述空间的至少一部分的封装材料，所述封装材料具有等于或大于所述第一折射率的第三折射率。

公开(公告)号：US20080042592A1

公开(公告)日：2008-02-21

申请号：US11836904

申请日：2007-08-10

Applicant: Ian Ashdown

Inventor： Ian Ashdown

IPC: H05B41/24

CPC classification number: H05B33/089 ,  H01L2924/0002 ,  H01L2924/00

Abstract: The present invention provides a method and apparatus for controlling the thermal gradient and therefore the thermal stress in light-emitting elements in which the light-emitting elements are exposed to temperature gradients caused by varying drive current under operating conditions. The method and apparatus according to the present invention can reduce the thermal stress in a light-emitting element by adaptively determining a drive current transient for a required change in the drive current from a first drive current state to a desired second drive current state, wherein the drive current transient is adaptively determined in order to substantially minimize the change in applied voltage over time, during the transition time period.

Abstract translation: 本发明提供了一种用于控制发光元件的热梯度和因此在工作条件下由驱动电流变化引起的温度梯度暴露于发光元件的热应力的方法和装置。 根据本发明的方法和装置可以通过针对从第一驱动电流状态到期望的第二驱动电流状态的驱动电流的所需变化自适应地确定驱动电流瞬变来减少发光元件中的热应力，其中 自适应地确定驱动电流瞬变，以便在过渡时间段内基本上最小化施加电压随时间的变化。

公开(公告)号：US20070268585A1

公开(公告)日：2007-11-22

申请号：US11601452

申请日：2006-11-17

Applicant: Scott Santoro ,  Melissa Crenshaw ,  Ian Ashdown

Inventor： Scott Santoro ,  Melissa Crenshaw ,  Ian Ashdown

IPC: G02B5/02

CPC classification number: G02B5/0278 ,  B33Y80/00 ,  F21S11/00 ,  F21V3/00 ,  F21V5/00 ,  F21V5/002 ,  G02B5/0252 ,  G02B5/0284

Abstract: Light control devices (76, 80, 82) implemented with diffusers exhibiting controllable diffusion characteristics provide anisotropic luminous intensity distributions and glare control at high viewing angles while maintaining high luminaire efficiency or daylight utilization.

Abstract translation: 实现具有可控扩散特性的扩散器的光控制装置（76,80,82）在高视角下提供各向异性的光强分布和眩光控制，同时保持高照明效率或日光利用率。

公开(公告)号：US20070051881A1

公开(公告)日：2007-03-08

申请号：US11436974

申请日：2006-05-19

Applicant: Ian Ashdown

Inventor： Ian Ashdown

IPC: G01J3/50 ,  H01J5/16

CPC classification number: G01J3/51 ,  G01J3/10 ,  G01J3/513

Abstract: The present invention provides an optical sensor having one or more filter-photodetector pairs and feedback to monitor the intensity and chromaticity of the white light generated by an illumination system. According to the present invention, filter-photodetectors are configured into pairs thereof, wherein a first filter-photodetector of a pair is configured and arranged so as to be sensitive to a predetermined region of the electromagnetic spectrum, while a second filter-photodetector of the pair is configured and arranged to be sensitive to a substantially complementary region of the electromagnetic spectrum. The spectral responsivity of the first filter-photodetector and the second filter-photodetector overlap in a predetermined region of the electromagnetic spectrum. Furthermore, the spectral responsivity of the first filter-photodetector is configured to substantially monotonically increase with respect to wavelength within said predetermined region, while the spectral responsivity of the second filter-photodetector is configured to substantially monotonically decrease with respect to wavelength within said predetermined region.

Abstract translation: 本发明提供了一种光学传感器，其具有一个或多个滤光器 - 光电检测器对和用于监测由照明系统产生的白光的强度和色度的反馈。 根据本发明，滤波器光电探测器被配置为成对，其中一对的第一滤波器 - 光电检测器被配置和布置成对电磁谱的预定区域敏感，而第二滤光器 - 光电检测器 配对和布置成对电磁光谱的基本上互补的区域敏感。 第一滤光器光电检测器和第二滤光器光电检测器的光谱响应度在电磁光谱的预定区域中重叠。 此外，第一滤光器 - 光电检测器的光谱响应度被配置为相对于所述预定区域内的波长基本单调增加，而第二滤光器 - 光电检测器的光谱响应度被配置为相对于所述预定区域内的波长基本单调减小 。

公开(公告)号：US20060226336A1

公开(公告)日：2006-10-12

申请号：US11387232

申请日：2006-03-23

Applicant: Allan York ,  Shane Robinson ,  Ian Ashdown ,  Ingo Speier

Inventor： Allan York ,  Shane Robinson ,  Ian Ashdown ,  Ingo Speier

IPC: G01J1/44

CPC classification number: F21V23/0457 ,  F21K9/00 ,  F21Y2115/10 ,  G01J1/02 ,  G01J1/0271 ,  G01J1/0407 ,  G01J1/0422 ,  G01J1/32 ,  G02B6/4298

Abstract: The present invention provides a method and apparatus for collecting and detecting light emitted from a plurality of light-emitting elements. The light-emitting elements are grouped into two or more clusters of one or more light-emitting elements with the clusters arranged such that a portion of the light emitted from each cluster is directly incident upon a central axis, wherein every point along the central axis is equidistant from each cluster. A light collection means also having a central axis associated therewith is placed such that the central axis of the clusters and the central axis of the collection means coincide. The light collection means collects a substantially equal portion of light from each cluster and propagates the collected light to a detection means comprising an optical sensor for conversion to an electrical signal representative of the light emitted by the clusters. The electrical signal provided by the light detection means may be fed back to a controller for use in controlling the properties of the light emitted by the light-emitting elements.

Abstract translation: 本发明提供一种用于收集和检测从多个发光元件发出的光的方法和装置。 发光元件被分组为一个或多个发光元件的两个或更多个簇，其中簇被布置为使得从每个簇发射的光的一部分直接入射在中心轴上，其中沿着中心轴的每个点 与每个群集等距。 还具有与其相关联的具有中心轴的光收集装置，使得簇的中心轴线和收集装置的中心轴线重合。 光收集装置收集来自每个簇的基本相等的光部分，并将收集的光传播到包括光学传感器的检测装置，该光学传感器转换成代表簇发射的光的电信号。 由光检测装置提供的电信号可以反馈到控制器，以用于控制由发光元件发射的光的特性。

公开(公告)号：US20050232132A1

公开(公告)日：2005-10-20

申请号：US10827897

申请日：2004-04-19

Applicant: Ian Ashdown ,  Alvaro Dau

Inventor： Ian Ashdown ,  Alvaro Dau

IPC: H04L5/04 ,  H04L25/49

CPC classification number: H04L25/4927

Abstract: The present invention provides a parallel pulse code modulation system enabling the independent control of a plurality of groups of one or more electronic devices. The system comprises a memory unit for receiving control data, from an external source, wherein this memory unit is configured to enable writing of the control data thereto and reading of the control data therefrom. The system further comprises a multiplexer connected to the memory unit for receiving the control data from the memory unit and organizing the control data into a serial data stream comprising groups of data. A shift register connected to the multiplexer receives the serial data stream from the multiplexer and translates each group of data into a parallel data stream output. Each parallel data stream output represents control parameters for a particular group of one or more electronic devices. A latch connected to the shift register and to the plurality of groups of one or more electronic devices, receives each parallel data stream output and sends a particular parallel data stream output to a corresponding group of one or more electronic devices, thereby providing independent control of the plurality of groups of one or more electronic devices. A logic sequencer integrated into the system provides sequencing and timing signals to the memory unit, the multiplexer, the shift register and the latch, thereby controlling actions and timing thereof.

Abstract translation: 本发明提供了一种并行脉码调制系统，其能够独立控制一组或多个电子设备的多组。 该系统包括用于从外部源接收控制数据的存储器单元，其中该存储器单元被配置为使得能够向其写入控制数据并从其读取控制数据。 该系统还包括连接到存储器单元的多路复用器，用于从存储器单元接收控制数据，并将控制数据组织成包括数据组的串行数据流。 连接到多路复用器的移位寄存器从多路复用器接收串行数据流，并将每组数据转换成并行数据流输出。 每个并行数据流输出表示一个或多个电子设备的特定组的控制参数。 连接到移位寄存器和一组或多个电子设备的多个组的锁存器接收每个并行数据流输出，并将特定的并行数据流输出发送到一个或多个电子设备的相应组，从而提供对 多个组的一个或多个电子设备。 集成到系统中的逻辑定序器向存储器单元，多路复用器，移位寄存器和锁存器提供排序和定时信号，由此控制其动作和定时。

公开(公告)号：US09142738B2

公开(公告)日：2015-09-22

申请号：US14536148

申请日：2014-11-07

Applicant: Michael A. Tischler ,  Ian Ashdown ,  Tom Pinnington ,  Henry Ip

Inventor： Michael A. Tischler ,  Ian Ashdown ,  Tom Pinnington ,  Henry Ip

IPC: H01L33/50 ,  H01L33/48 ,  H01L33/54 ,  H01L33/62

CPC classification number: H01L33/508 ,  H01L24/97 ,  H01L33/32 ,  H01L33/486 ,  H01L33/501 ,  H01L33/502 ,  H01L33/504 ,  H01L33/505 ,  H01L33/54 ,  H01L33/62 ,  H01L2224/13 ,  H01L2224/48091 ,  H01L2924/01322 ,  H01L2924/07802 ,  H01L2924/07811 ,  H01L2924/12035 ,  H01L2924/12041 ,  H01L2924/12042 ,  H01L2924/181 ,  H01L2933/0025 ,  H01L2933/0033 ,  H01L2933/0041 ,  H01L2933/005 ,  H01L2933/0066 ,  H01L2924/00014 ,  H01L2924/00

Abstract: In accordance with certain embodiments, regions of spatially varying wavelength-conversion particle concentration are formed over light-emitting dies.

Abstract translation: 根据某些实施方案，在发光模具上形成空间变化的波长转换颗粒浓度的区域。

公开(公告)号：US20150036339A1

公开(公告)日：2015-02-05

申请号：US14503748

申请日：2014-10-01

Applicant: Ian Ashdown ,  Michael A. Tischler

Inventor： Ian Ashdown ,  Michael A. Tischler

IPC: F21V5/00 ,  F21V5/04

CPC classification number: F21V33/00 ,  F21V5/007 ,  F21V5/04 ,  F21V5/045 ,  F21V5/08 ,  F21Y2105/10 ,  F21Y2115/10 ,  G02B3/0056 ,  G02B3/08 ,  G02B19/0028 ,  G02B19/0066 ,  G02B27/0961 ,  G02B2207/113 ,  Y10T29/49

Abstract: In various embodiments, a lens array comprises a plurality of aspheric lens elements each optically coupled to a light-emitting element and producing an out-of-focus image thereof. The images combine to generate a target luminous intensity distribution, e.g., providing constant illuminance on a plane.

Abstract translation: 在各种实施例中，透镜阵列包括多个非球面透镜元件，每个非球面透镜元件光学耦合到发光元件并产生离焦图像。 这些图像组合以产生目标发光强度分布，例如在平面上提供恒定的照度。