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1. 发明专利

JP2014073069A Dc-dc converter control circuit, image display device using the same, and method of driving the same 审中-公开
标题翻译： DC-DC转换器控制电路，使用该DC-DC转换器控制电路的图像显示装置及其驱动方法
公开(公告)号：JP2014073069A
公开(公告)日：2014-04-21
申请号：JP2012278829
申请日：2012-12-21
申请人： Lg Display Co Ltd , エルジーディスプレイカンパニーリミテッド , Postech Academy-Industry Foundation , ポステックアカデミー−インダストリーファンデーション
发明人： LEE KYUNG-MIN , LEE JEONG-WOO , KYO HOKYU , SUNG CHANG-HYUN , YOON HO-YOUNG
IPC分类号： H02M3/00 , G02F1/133 , G09F9/00 , G09G3/20 , G09G3/34 , G09G3/36 , H02M1/00
CPC分类号： G05F1/468 , G09G3/3406 , G09G3/3696 , G09G2320/064 , G09G2330/02 , H02M2001/0035 , Y02B70/16
摘要： PROBLEM TO BE SOLVED: To provide a DC-DC converter control circuit with enhanced driving efficiency while securing circuit stability during light-load driving of the DC-DC converter through variation of an on/off duty ratio of a burst mode according to the load, to provide an image display device, and to provide a method of controlling the DC-DC converter control circuit.SOLUTION: A DC-DC converter control circuit includes: a detection unit for detecting an amount of current and a voltage at an output end of a DC-DC converter, and generating and outputting a differential voltage according to a level of the detected voltage; a comparison unit for comparing the differential voltage from the detection unit with a reference voltage having a triangle or sawtooth waveform to generate a duty signal; and a converter controller for generating an on/off control signal corresponding to a duty ratio of the duty signal and supplying the on/off control signal to the DC-DC converter to control on/off of the DC-DC converter.
摘要翻译：要解决的问题：提供一种具有增强的驱动效率的DC-DC转换器控制电路，同时通过根据负载改变突发模式的导通/截止占空比来确保DC-DC转换器的轻负载驱动期间的电路稳定性，以提供图像显示装置，并提供一种控制DC-DC转换器控制电路的方法。解决方案：DC-DC转换器控制电路包括：检测单元，用于检测输出端的电流量和电压的DC-DC转换器，并且根据检测到的电压的电平产生和输出差分电压; 比较单元，用于将来自检测单元的差分电压与具有三角形或锯齿波形的参考电压进行比较以产生占空比信号; 以及转换器控制器，用于产生与占空比信号的占空比对应的开/关控制信号，并将该导通/截止控制信号提供给DC-DC转换器以控制DC-DC转换器的导通/截止。

2. 发明专利

JP2010251704A Method of manufacturing solar cell 有权
标题翻译：制造太阳能电池的方法
公开(公告)号：JP2010251704A
公开(公告)日：2010-11-04
申请号：JP2009292460
申请日：2009-12-24
申请人： Lg Display Co Ltd , エルジーディスプレイカンパニーリミテッド
发明人： LEE JEONG-WOO , PARK SEONG-KEE , SHIM KYUNG-JIN , KIM TAE YOUN , PARK WON-SEO
IPC分类号： H01L31/04
CPC分类号： H01L31/202 , H01L31/0236 , H01L31/02363 , H01L31/03921 , H01L31/075 , H01L31/078 , H01L31/1824 , H01L31/1884 , Y02E10/545 , Y02E10/548 , Y02P70/521
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a solar cell that can improves efficiency by effectively absorbing external light by forming regular embossed and depressed patterns of constant size on a surface of a transparent electrode. SOLUTION: The method of manufacturing a solar cell includes steps of: forming a transparent conductive layer on a substrate by depositing a transparent conductive oxide under room temperature; crystallizing the transparent conductive layer by irradiating the transparent conductive layer with laser beam using a first laser; selectively etching the crystallized transparent conductive layer to form many embossed and depressed patterns at a surface of the transparent conductive layer; forming transparent electrodes in unit cells by patterning the transparent conductive layer having many embossed and depressed patterns; forming a pn junction semiconductor layer on the transparent electrodes and patterning the pn junction semiconductor layer; and forming rear electrodes on the patterned pn junction semiconductor layer by forming a metallic material layer and patterning the metallic material layer, the rear electrodes corresponding to the unit cells. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决问题的方案：提供一种太阳能电池的制造方法，该太阳能电池可以通过在透明电极的表面上形成规则的恒定尺寸的凹凸图案，有效地吸收外部光而提高效率。解决方案：太阳能电池的制造方法包括以下步骤：在室温下沉积透明导电氧化物，在基板上形成透明导电层; 通过使用第一激光器用激光束照射透明导电层来使透明导电层结晶化; 选择性地蚀刻结晶的透明导电层，以在透明导电层的表面形成许多压花和凹陷图案; 通过图案化具有许多压花和凹陷图案的透明导电层，在单元电池中形成透明电极; 在透明电极上形成pn结半导体层并图案化pn结半导体层; 以及通过形成金属材料层并对该金属材料层进行图形化，形成与图案化的pn结半导体层上的后电极相对应的后电极。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010177663A Method of manufacturing thin-film solar cell 有权
标题翻译：制造薄膜太阳能电池的方法
公开(公告)号：JP2010177663A
公开(公告)日：2010-08-12
申请号：JP2009292455
申请日：2009-12-24
申请人： Lg Display Co Ltd , エルジーディスプレイカンパニーリミテッド
发明人： KIM TAE YOUN , PARK WON-SEO , LEE JEONG-WOO , PARK SEONG-KEE , SHIM KYUNG-JIN
IPC分类号： H01L31/04
CPC分类号： H01L31/056 , H01L31/046 , H01L31/0463 , Y02E10/52
摘要： PROBLEM TO BE SOLVED: To improve defective short circuit problem due to the manufacturing step for patterning a reflective substance layer by unit cells, utilizing a laser to enhance the optical conversion efficiency of a thin-film solar cell. SOLUTION: This manufacturing method includes the steps of: defining a plurality of unit cells on a substrate; forming a plurality of transparent conductive layers corresponding to the unit cells by a plurality of first separation lines on the substrate defined with the plurality of unit cells; forming a light absorbing layer separated by unit cells, by a plurality of second separation lines on an upper part of the plurality of transparent conductive layers; forming third separation lines which cut the light-absorbing layer by unit cells, on one side isolated from the plurality of second separation lines; applying conductive paste to form the reflective substance layer, by mounting a silk screen at a position corresponding to the third separation lines; and sintering the reflective substance layer to form a plurality of reflective electrodes by unit cells. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了改善由于用于通过单元电池对反射物质层进行图案化的制造步骤的缺陷短路问题，利用激光来提高薄膜太阳能电池的光转换效率。解决方案：该制造方法包括以下步骤：在衬底上限定多个单元电池; 通过在由所述多个单电池限定的所述衬底上的多个第一分隔线形成与所述单电池相对应的多个透明导电层; 通过在所述多个透明导电层的上部的多个第二分隔线形成由单元电池隔开的光吸收层; 形成在与所述多个第二分离线隔离的一侧上由单元电池切割所述光吸收层的第三分离线; 通过在对应于第三分隔线的位置安装丝网来施加导电浆料以形成反射物质层; 并且通过单元电池烧结反射物质层以形成多个反射电极。版权所有（C）2010，JPO＆INPIT

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