公开(公告)号：US20060238881A1

公开(公告)日：2006-10-26

申请号：US11369424

申请日：2006-03-07

申请人： Se-Ki Park ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seok-Hyun Nam ,  Ju-Young Yoon

发明人： Se-Ki Park ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seok-Hyun Nam ,  Ju-Young Yoon

IPC分类号： G02B3/00

CPC分类号： G02B3/04 ,  G02F1/133603 ,  G02F2001/133607

摘要： An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central portion has a convex shape. The peripheral portion has a concave shape. The peripheral portion surrounds the central portion. Therefore, a power consumption and a manufacturing cost are decreased.

摘要翻译： 光学透镜折射并反射光以增加光学透镜的顶部方向的亮度并降低光学透镜在水平方向上的亮度。 光学透镜包括中心部分和周边部分。 中心部分具有凸形。 周边部分具有凹形。 周边部分围绕中心部分。 因此，功耗和制造成本降低。

公开(公告)号：US20060203353A1

公开(公告)日：2006-09-14

申请号：US11367843

申请日：2006-03-03

申请人： Se-Ki Park ,  Ju-Young Yoon ,  Seok-Hyun Nam ,  Gi-Cherl Kim ,  Sang-Yu Lee

发明人： Se-Ki Park ,  Ju-Young Yoon ,  Seok-Hyun Nam ,  Gi-Cherl Kim ,  Sang-Yu Lee

IPC分类号： G02B3/00

CPC分类号： G02B17/0856 ,  G02B3/02 ,  G02F1/133603 ,  H01L33/58

摘要： An optical lens has a first curved surface. The first curved surface has a first variable curvature. The optical lens has a second curved surface. The second curved surface has a second variable curvature. The second variable curvature forms a protrusion on the second curved surface. A first end of the first curved surface is connected to a first end of the second curved surface at an outer edge of the lens.

公开(公告)号：US20060083000A1

公开(公告)日：2006-04-20

申请号：US11120666

申请日：2005-05-03

申请人： Ju-Young Yoon ,  Gi-Cherl Kim ,  Jong-Seo Lee ,  Chun-Ho Song ,  Se-Ki Park ,  Sang-Gil Lee ,  Seock-Hwan Kang

发明人： Ju-Young Yoon ,  Gi-Cherl Kim ,  Jong-Seo Lee ,  Chun-Ho Song ,  Se-Ki Park ,  Sang-Gil Lee ,  Seock-Hwan Kang

IPC分类号： F21V3/00 ,  F21V5/00

CPC分类号： F21V5/04 ,  F21V5/008 ,  F21Y2115/10 ,  G02B3/04 ,  G02B19/0014 ,  G02B19/0061 ,  G02F1/133603 ,  H01L33/54 ,  H01L33/58

摘要： A lens for a light emitting diode is formed with a material having a refractive index of n, and the lens includes a base, a first curved circumferential surface extending from the base, a curved center-edge surface extending from the first curved circumferential surface, and a curved centermost surface extending from the curved center-edge surface. The base includes a groove for receiving a light emitting chip therein. In the lens, a distance from a center of the base to a point of the curved center-edge surface is always shorter than the radius of curvature for the point of the curved center-edge surface. The curved centermost surface has a concave shape with respect to the base. In addition, when an obtuse angle formed between a main axis of the lens and a tangent line of a point of the curved centermost surface is A1, and an acute angle formed between a straight line linking the center of the base to the point of the curved centermost surface and the main axis of the lens is A2, the lens satisfies the equation: A1+A2

摘要翻译： 用折射率为n的材料形成用于发光二极管的透镜，透镜包括基底，从基底延伸的第一弯曲圆周表面，从第一弯曲圆周表面延伸的弯曲的中心边缘表面， 以及从弯曲的中心边缘表面延伸的弯曲的中心表面。 基座包括用于在其中接收发光芯片的凹槽。 在透镜中，从基部的中心到弯曲的中心边缘表面的点的距离总是短于弯曲的中心边缘表面的点的曲率半径。 弯曲的中心表面相对于基部具有凹形。 此外，当形成在透镜的主轴与弯曲的最中心表面的点的切线之间的钝角为A1时，并且在连接基座的中心与直线的中心的直线之间形成锐角 弯曲的中心表面和透镜的主轴为A2，透镜满足等式：A1 + A2 <90 + SIN <1>（1 / n）。

公开(公告)号：US20060061539A1

公开(公告)日：2006-03-23

申请号：US11228786

申请日：2005-09-16

申请人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Sang-Gil Lee ,  Ju-Young Yoon

发明人： Chun-Ho Song ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seock-Hwan Kang ,  Sang-Gil Lee ,  Ju-Young Yoon

IPC分类号： G09G3/36

CPC分类号： G02F1/133603 ,  G02F2001/133613 ,  G02F2001/133628

摘要： A light-generating device includes a driving substrate and a plurality of light source arrays. The driving substrate has a rectangular planar shape. The plurality of light source arrays is formed on the driving substrate. The light source arrays include at least one light emitting diode to generate light in response to power being applied through the substrate, and the light source arrays are spaced apart from each other. Thus, heat generated from the light-generating device is rapidly dissipated from the light-generating device, improving brightness of the light, brightness uniformity of the light and color reproducibility of the light.

公开(公告)号：US08896618B2

公开(公告)日：2014-11-25

申请号：US12501301

申请日：2009-07-10

申请人： Yong-Hoon Kwon ,  Gi-Cherl Kim ,  Se-Ki Park ,  Moon-Hwan Chang ,  Dong-Min Yeo ,  Ho-Sik Shin

发明人： Yong-Hoon Kwon ,  Gi-Cherl Kim ,  Se-Ki Park ,  Moon-Hwan Chang ,  Dong-Min Yeo ,  Ho-Sik Shin

IPC分类号： G09G3/36 ,  G09G3/34

CPC分类号： G09G3/3426 ,  G09G3/3413 ,  G09G2320/0242 ,  G09G2320/0247 ,  G09G2320/0285 ,  G09G2320/04 ,  G09G2320/0666 ,  G09G2360/16

摘要： A liquid crystal display device and a method of driving the same are provided for one or more embodiments. The liquid crystal display device includes: a liquid crystal panel including a plurality of display blocks and displaying an image in response to image signals; a plurality of light-emitting blocks emitting light to the liquid crystal panel and corresponding to the plurality of display blocks; a first look-up table including a normalized value obtained by normalizing an initial duty ratio corresponding to the brightness of the image to a maximum duty ratio corresponding to the maximum brightness of the image; and a timing controller receiving the normalized value corresponding to each of the light-emitting blocks from the first look-up table and using the normalized value to provide an optical data signal corresponding to each of the light-emitting blocks.

摘要翻译： 提供一种或多种实施例的液晶显示装置及其驱动方法。 液晶显示装置包括：液晶面板，包括多个显示块，并响应于图像信号显示图像; 多个发光块，其向所述液晶面板发光并对应于所述多个显示块; 第一查找表，其包括通过将对应于图像的亮度的初始占空比归一化为对应于图像的最大亮度的最大占空比而获得的归一化值; 以及定时控制器，从第一查找表接收与每个发光块相对应的归一化值，并使用归一化值提供与每个发光块对应的光学数据信号。

公开(公告)号：US08629831B2

公开(公告)日：2014-01-14

申请号：US12415359

申请日：2009-03-31

申请人： Sang-Il Park ,  Yong-Hoon Kwon ,  Se-Ki Park ,  Gi-Cherl Kim ,  Si-Joon Song

发明人： Sang-Il Park ,  Yong-Hoon Kwon ,  Se-Ki Park ,  Gi-Cherl Kim ,  Si-Joon Song

IPC分类号： G09G3/36

CPC分类号： G09G3/3413 ,  G09G3/3648 ,  G09G2320/064 ,  G09G2360/145

摘要： A light source module of a display device comprises light-emitting blocks each of which comprises multiple sets of light sources, with different sets emitting different colors (e.g. red, green and blue). Each set is independently controllable according to one or more driving parameters. A local-dimming method comprises: (a) in each color-dimming period, driving each light-emitting block by the first color-dimming process; (b) in each compensating period, driving each light-emitting block by a full-color process which is independent of the image; (c) in each compensating period, sensing emitted light and determining the one or more driving parameters' reference driving values operable to generate a reference color; (d) in at least one of the color-dimming and compensating periods, driving each light-emitting block using the one or more driving parameters' values which depend on the reference driving values; and (e) between a color-dimming period and an adjacent compensating period, gradually switching the light-source module between the first color-dimming process and the full-color process.

摘要翻译： 显示装置的光源模块包括发光块，每个发光块包括多组光源，具有发射不同颜色（例如，红色，绿色和蓝色）的不同组。 每组可根据一个或多个驱动参数独立控制。 本地调光方法包括：（a）在每个颜色调光期间，通过第一颜色调光过程驱动每个发光块; （b）在每个补偿期间，通过独立于图像的全色处理驱动每个发光块; （c）在每个补偿周期中，感测发射的光并确定可操作以产生参考色的一个或多个驱动参数的参考驱动值; （d）在色调和补偿周期中的至少一个中，使用取决于参考驱动值的一个或多个驱动参数值来驱动每个发光块; 和（e）在颜色调光周期和相邻的补偿周期之间，逐渐地在第一色调处理和全色处理之间切换光源模块。

公开(公告)号：US08395325B2

公开(公告)日：2013-03-12

申请号：US12556320

申请日：2009-09-09

申请人： Byoung-Dae Ye ,  Gi-Cherl Kim ,  Byung-Choon Yang ,  Se-Ki Park ,  Sang-Chul Byun

发明人： Byoung-Dae Ye ,  Gi-Cherl Kim ,  Byung-Choon Yang ,  Se-Ki Park ,  Sang-Chul Byun

IPC分类号： H05B37/00 ,  H05B39/00 ,  H05B41/00 ,  G09G3/32

CPC分类号： H05B33/0818 ,  H05B33/0827

摘要： A method of driving a light source, a light source apparatus for performing the method, and a display apparatus having the light source apparatus are disclosed in accordance with one or more embodiments. In the method, a plurality of light source strings connected in parallel is driven by applying a driving voltage to a first terminal of the light source strings. A peak current due to a voltage deviation of each of the light source strings is switch-controlled to uniform an average current of the light source strings. Thus, a peak current flowing through light source strings in accordance with a voltage deviation of the light source strings is switch-controlled, so that an average current of the light source strings may be uniformly maintained. Therefore, a voltage deviation is not consumed as power, so that damage to circuit elements due to heat may be prevented.

摘要翻译： 根据一个或多个实施例公开了一种驱动光源的方法，用于执行该方法的光源装置和具有该光源装置的显示装置。 在该方法中，通过向光源串的第一端施加驱动电压来驱动并联连接的多个光源串。 由于每个光源串的电压偏差引起的峰值电流被开关控制以使光源串的平均电流均匀。 因此，根据光源串的电压偏差流过光源串的峰值电流是开关控制的，使得可以均匀地保持光源串的平均电流。 因此，不会将电压偏差作为功率消耗，从而可以防止由于热而对电路元件造成的损坏。

公开(公告)号：US08358293B2

公开(公告)日：2013-01-22

申请号：US12408528

申请日：2009-03-20

申请人： Young-Jun Seo ,  Dong-Min Yeo ,  Gi-Cherl Kim ,  Se-Ki Park ,  Hoi-Sik Moon

发明人： Young-Jun Seo ,  Dong-Min Yeo ,  Gi-Cherl Kim ,  Se-Ki Park ,  Hoi-Sik Moon

IPC分类号： G09G5/00

CPC分类号： G09G3/3426 ,  G09G2320/0238 ,  G09G2320/0646 ,  G09G2360/16

摘要： A display apparatus includes light source blocks driven as follows in displaying at least one frame (possibly every frame). An image to be displayed includes image pixels. Each light source block corresponds to an image pixels block which is a block of image pixels to be displayed directly opposite to the light source block. For each image pixels block, a block mean value and a block maximum value are determined. A parameter is determined which corresponds to a total luminance of the frame. For each image pixels block, a block representative value is determined which corresponds to the parameter, the block representative value being within a range between the block mean value and the block maximum value inclusive. During the frame, each light source block is driven to provide a luminance which is an increasing function of the corresponding block representative value.

摘要翻译： 显示装置包括如下显示至少一帧（可能每帧）驱动的光源块。 要显示的图像包括图像像素。 每个光源块对应于图像像素块，该图像像素块是要直接与光源块相对显示的图像像素块。 对于每个图像像素块，确定块平均值和块最大值。 确定对应于帧的总亮度的参数。 对于每个图像像素块，确定对应于参数的块代表值，块代表值在块平均值和块最大值之间的范围内，包括值。 在帧期间，每个光源块被驱动以提供作为相应块代表值的增加函数的亮度。

公开(公告)号：US08129918B2

公开(公告)日：2012-03-06

申请号：US12488403

申请日：2009-06-19

申请人： Sang-Gil Lee ,  Ju-Young Yoon ,  Jong-Seo Lee ,  Gi-Cherl Kim ,  Sang-Yu Lee

发明人： Sang-Gil Lee ,  Ju-Young Yoon ,  Jong-Seo Lee ,  Gi-Cherl Kim ,  Sang-Yu Lee

IPC分类号： H05B41/16

CPC分类号： H02M3/156 ,  G09G3/3406

摘要： A power supply is provided, which includes a DC-DC converter being supplied with an external DC input voltage and a first switching control signal and outputting a duty sensing signal of which a magnitude is varied in accordance with the first switching control signal, the duty sensing signal being indicative of a duty ratio of the first switching control signal, and the DC-DC converter converting the input voltage into a DC output voltage of a predetermined magnitude based on the first switching control signal; and a feedback controlling unit comparing the duty sensing signal with a first reference signal to adjust the duty ratio of the first switching control signal.

摘要翻译： 提供电源，其包括被提供有外部DC输入电压的DC-DC转换器和第一开关控制信号，并且输出根据第一开关控制信号改变幅度的占空比感测信号，占空比 感测信号表示第一开关控制信号的占空比，并且DC-DC转换器基于第一开关控制信号将输入电压转换成预定幅度的DC输出电压; 以及反馈控制单元，将占空比感测信号与第一参考信号进行比较，以调整第一开关控制信号的占空比。

公开(公告)号：US07862221B2

公开(公告)日：2011-01-04

申请号：US11369424

申请日：2006-03-07

申请人： Se-Ki Park ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seok-Hyun Nam ,  Ju-Young Yoon

发明人： Se-Ki Park ,  Sang-Yu Lee ,  Gi-Cherl Kim ,  Seok-Hyun Nam ,  Ju-Young Yoon

IPC分类号： F21V7/04

CPC分类号： G02B3/04 ,  G02F1/133603 ,  G02F2001/133607

摘要： An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central portion has a convex shape. The peripheral portion has a concave shape. The peripheral portion surrounds the central portion. Therefore, a power consumption and a manufacturing cost are decreased.

摘要翻译： 光学透镜折射并反射光以增加光学透镜的顶部方向的亮度并降低光学透镜在水平方向上的亮度。 光学透镜包括中心部分和周边部分。 中心部分具有凸形。 周边部分具有凹形。 周边部分围绕中心部分。 因此，功耗和制造成本降低。