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11. 发明授权

US08654059B2 Light emitting element drive apparatus and portable apparatus using same 有权
标题翻译：发光元件驱动装置及其使用的便携式装置
公开(公告)号：US08654059B2
公开(公告)日：2014-02-18
申请号：US12076996
申请日：2008-03-26
申请人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
发明人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
IPC分类号： G09G3/36
CPC分类号： H05B33/0818 , G09G3/3208 , H05B33/0815 , H05B33/0821 , H05B33/0827 , H05B33/0845 , H05B33/086 , H05B37/0281 , Y02B20/347
摘要： A light emitting element drive apparatus capable of always outputting the lowest voltage satisfying the drive conditions and having a high light emitting efficiency and a low power loss, and a portable apparatus using the same, comprising an LED drive apparatus 10 to which LEDs 20-1 to 20-n of different drive voltages required for emitting light are connected in parallel and driving one or more LEDs, wherein the LED drive apparatus 10 has drive circuits 13-1 to 13-n connected to the corresponding LEDs among a plurality of LEDs and driving the corresponding LEDs with luminances based on set values and power supply circuits 14 and 15 for deciding a drive voltage value required for the highest light emission among one or more LEDs driven to emit light based on drive states of drive circuits (for example terminal voltages of the current source) and supplying a drive voltage having at least the decided value to a plurality of LEDs in parallel.
摘要翻译：一种能够始终输出满足驱动条件并具有高发光效率和低功率损耗的最低电压的发光元件驱动装置，以及使用其的便携式装置，其包括LED驱动装置10，LED 20-1 并联并联驱动一个或多个LED，其中LED驱动装置10具有连接到多个LED中的相应LED的驱动电路13-1至13-n，以及基于设置值驱动相应的LED，并且基于驱动电路的驱动状态（例如端子电压）来决定驱动发光的一个或多个LED中的最高发光所需的驱动电压值的电源电路14和15 的电流源），并且将至少具有所确定的值的驱动电压并行提供给多个LED。

12. 发明授权

US08618745B2 Light emitting element drive apparatus and portable apparatus using same 有权
标题翻译：发光元件驱动装置及其使用的便携式装置
公开(公告)号：US08618745B2
公开(公告)日：2013-12-31
申请号：US13596896
申请日：2012-08-28
申请人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
发明人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
IPC分类号： H05B37/02
CPC分类号： H05B33/0818 , G09G3/3208 , H05B33/0815 , H05B33/0821 , H05B33/0827 , H05B33/0845 , H05B33/086 , H05B37/0281 , Y02B20/347
摘要： A light emitting element drive apparatus capable of outputting the lowest voltage satisfying drive conditions and having high light emitting efficiency and low power loss, and a portable apparatus using the same, comprising an LED drive apparatus to which LEDs of different drive voltages required for emitting light are connected in parallel and driving one or more LEDs, wherein the LED drive apparatus has drive circuits connected to the corresponding LEDs among a plurality of LEDs and driving the corresponding LEDs with luminances based on set values and power supply circuits for deciding a drive voltage value required for the highest light emission among one or more LEDs driven to emit light based on drive states of drive circuits (for example terminal voltages of the current source) and supplying a drive voltage having at least the decided value to LEDs in parallel.
摘要翻译：一种能够输出满足驱动条件并且具有高发光效率和低功率损耗的最低电压的发光元件驱动装置，以及使用该发光元件的便携式装置，包括：LED驱动装置，用于发出不同驱动电压的LED 并联连接并驱动一个或多个LED，其中LED驱动装置具有连接到多个LED中的相应LED的驱动电路，并且基于设定值驱动具有亮度的对应的LED和用于决定驱动电压值的电源电路驱动基于驱动电路的驱动状态（例如电流源的端子电压）驱动的发光的一个或多个LED中的最高发光所需的，并且向LED并行提供至少具有决定值的驱动电压。

13. 发明申请

US20050225515A1 Light emitting element drive device and mobile device using the same 有权
标题翻译：发光元件驱动装置及使用其的移动装置
公开(公告)号：US20050225515A1
公开(公告)日：2005-10-13
申请号：US10512982
申请日：2003-05-29
申请人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
发明人： Kazuhito Tsuchida , Junji Saito , Kazuo Sudo
IPC分类号： G09G3/32 , G09G3/34 , H01L33/00 , H04M1/73 , H05B33/08 , G09G3/30
CPC分类号： H05B33/0818 , G09G3/3208 , H05B33/0815 , H05B33/0821 , H05B33/0827 , H05B33/0845 , H05B33/086 , H05B37/0281 , Y02B20/347
摘要： A light emitting element drive apparatus capable of always outputting the lowest voltage satisfying the drive conditions and having a high light emitting efficiency and a low power loss, and a portable apparatus using the same, comprising an LED drive apparatus 10 to which LEDs 20-1 to 20-n of different drive voltages required for emitting light are connected in parallel and driving one or more LEDs, wherein the LED drive apparatus 10 has drive circuits 13-1 to 13-n connected to the corresponding LEDs among a plurality of LEDs and driving the corresponding LEDs with luminances based on set values and power supply circuits 14 and 15 for deciding a drive voltage value required for the highest light emission among one or more LEDs driven to emit light based on drive states of drive circuits (for example terminal voltages of the current source) and supplying a drive voltage having at least the decided value to a plurality of LEDs in parallel.
摘要翻译：一种能够始终输出满足驱动条件并具有高发光效率和低功率损耗的最低电压的发光元件驱动装置，以及使用该发光元件的便携式装置，其包括LED驱动装置10，LED 20-1 并联驱动一个或多个LED，其中LED驱动装置10具有连接到多个LED中的对应的LED的驱动电路13-1至13-n，并且基于设置值驱动相应的LED，并且基于驱动电路的驱动状态（例如端子电压）来决定驱动发光的一个或多个LED中的最高发光所需的驱动电压值的电源电路14和15 的电流源），并且将至少具有所确定的值的驱动电压并行提供给多个LED。

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