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91. 发明公开

KR1020040009432A 휘도 제어회로가 구비된 박막 트랜지스터 액정표시장치 失效
标题翻译：薄膜晶体管液晶显示器具有亮度控制电路
公开(公告)号：KR1020040009432A
公开(公告)日：2004-01-31
申请号：KR1020020043373
申请日：2002-07-23
申请人： 현대모비스 주식회사
发明人： 김종선
IPC分类号： G02F1/133
CPC分类号： G02F1/133 , G09G3/3696 , H04N5/57
摘要： PURPOSE: A thin film transistor liquid crystal display employing a brightness control circuit is provided to prevent colors, tint, contrast from changing with a change of a brightness adjusting variable resistance by controlling a common voltage terminal of a TFT-LCD (Thin Film Transistor-Liquid Crystal Display) in controlling the brightness of TFT-LCD images. CONSTITUTION: A brightness input terminal is connected with a chroma circuit common port in a driving circuit(20). A chroma circuit(21) has one side connected with a chroma circuit brightness port in the driving circuit, and the other side connected with a variable resistance of a common voltage circuit(22). The chroma circuit controls the brightness of a liquid crystal panel(30) by controlling the variable resistance of the common voltage circuit.
摘要翻译：目的：提供一种采用亮度控制电路的薄膜晶体管液晶显示器，通过控制TFT-LCD（薄膜晶体管 - 薄膜晶体管）的公共电压端子来防止颜色，色调，对比度随着亮度调节可变电阻的变化而变化，液晶显示器）控制TFT-LCD图像的亮度。构成：亮度输入端子与驱动电路（20）中的色度电路公共端口连接。彩色电路（21）的一侧与驱动电路中的色度电路亮度端口连接，另一侧与公共电压电路（22）的可变电阻相连。色度电路通过控制公共电压电路的可变电阻来控制液晶面板（30）的亮度。

92. 发明公开

KR1020030095020A 텔레비전의 적응적 시청 조건 자동 제어 장치 및 방법 无效
标题翻译：电视自适应观察条件自动控制装置及方法
公开(公告)号：KR1020030095020A
公开(公告)日：2003-12-18
申请号：KR1020020032522
申请日：2002-06-11
申请人： 삼성전자주식회사
发明人： 김준환
IPC分类号： H04N21/485
CPC分类号： H04N5/60 , H04N5/44 , H04N5/57 , H04N21/4318 , H04N21/4348 , H04N21/439 , H04N21/44 , H04N21/84
摘要： PURPOSE: An apparatus and a method for automatically controlling adaptive viewing conditions of a television are provided to automatically change a TV viewing environment according to kinds of received broadcasting programs. CONSTITUTION: It is judged whether broadcasting information including broadcasting program category information is received in a selected channel(201). If so, broadcasting program category information are assorted and the assorted broadcasting program category is discriminated(202). The discriminated broadcasting program category is compared with a broadcasting program category temporarily stored(203). If the two categories are not the same, the temporarily stored broadcasting program category is changed into the discriminated broadcasting program category(204). TV viewing option information corresponding to the discriminated broadcasting program category is read from an adjusting mode table of a memory(205). Set values of adjusting points and option functions to be applied to process audio and video signals are reset up by read TV viewing option information(206).
摘要翻译：目的：提供一种用于自动控制电视机的自适应观看条件的装置和方法，以根据所接收的广播节目的种类自动地改变电视观看环境。构成：判断在所选择的频道（201）中是否接收到包括广播节目类别信息的广播信息。如果是，则分类广播节目类别信息，并且区分各种广播节目类别（202）。所鉴别的广播节目类别与临时存储的广播节目类别进行比较（203）。如果两个类别不相同，则临时存储的广播节目类别被改变为被识别的广播节目类别（204）。从存储器（205）的调整模式表中读取与所识别的广播节目类别相对应的电视观看选项信息。设置要应用于处理音频和视频信号的调整点和选项功能的设置值通过读取电视观看选项信息（206）进行复位。

93. 发明公开

KR1020030080522A 배경영역의 컨트라스트 제어방법 및 제어회로 失效
标题翻译：用于控制背景对比的方法和电路
公开(公告)号：KR1020030080522A
公开(公告)日：2003-10-17
申请号：KR1020020019193
申请日：2002-04-09
申请人： 삼성전자주식회사
发明人： 강재성 , 강임수 , 최재봉 , 이지현
IPC分类号： H04N5/57
CPC分类号： G09G5/02 , G09G1/285 , G09G5/003 , G09G5/006 , G09G2320/0606 , G09G2320/066 , G09G2320/0686 , G09G2340/125 , G09G2370/045 , H04N5/57 , H04N21/4318
摘要： PURPOSE: A method and a circuit for contrast control of a background area are provided to control the contrast of a background area or a gain of a video signal by a user, thereby providing various contents of a highlighting area in the optimum state. CONSTITUTION: A circuit for contrast control of a background area includes an IBLK generating circuit(41) and an amplifier(45). The IBLK generating circuit received position data and area data input serially via an SDA(Serial DAta line) in response to horizontal and vertical synchronizing signals, and outputs a highlighting enable signal and parallel data(12C_data) to the amplifier. The amplifier controls a gain and/or width of R,G,B video signals(RIN,GIN,BIN) corresponding to the highlighting enable signal and outputs R,G,B video signals(ROUT,GOUT,BOUT), of which contrast and/or sharpness is controlled. The amplifier includes a control signal generating circuit, a highlighting area contrast control circuit, and a background area contrast control circuit.
摘要翻译：目的：提供用于背景区域的对比度控制的方法和电路，以控制用户的背景区域的对比度或视频信号的增益，从而提供最佳状态下的高亮区域的各种内容。构成：用于背景区域的对比度控制的电路包括IBLK生成电路（41）和放大器（45）。 IBLK发生电路响应于水平和垂直同步信号，经由SDA（串行DAta线）串行输入位置数据和区域数据，并将高亮使能信号和并行数据（12C_data）输出到放大器。放大器控制对应于突出使能信号的R，G，B视频信号（RIN，GIN，BIN）的增益和/或宽度，并输出R，G，B视频信号（ROUT，GOUT，BOUT）和/或锐度被控制。放大器包括控制信号发生电路，高亮区域对比度控制电路和背景区域对比度控制电路。

94. 发明公开

KR1020030080176A 콘트라스트 조정 회로 및 그것을 이용한 영상 표시 장치 有权
标题翻译：我们的团队
公开(公告)号：KR1020030080176A
公开(公告)日：2003-10-11
申请号：KR1020020066074
申请日：2002-10-29
申请人： 가부시키가이샤 히타치세이사쿠쇼
发明人： 아오끼히로시 , 하세가와료 , 마또노다까아끼
IPC分类号： H04N5/57
CPC分类号： G09G3/2096 , G09G3/20 , G09G2320/0238 , G09G2320/066 , G09G2320/0666 , G09G2360/16 , H04N5/20 , H04N5/57 , H04N5/70 , H04N21/4318 , H04N21/44008
摘要： 안정적으로 높은 콘트라스트가 얻어지는 영상 표시 기술의 제공을 목적으로 하여, 콘트라스트 조정 회로를, A/D 변환한 디지털 휘도 신호의, 소정 기간 내의 최대 휘도 레벨이 해당하는 휘도 영역과 평균 휘도 레벨이 해당하는 휘도 영역을 판정하고, 상기 판정된 양 휘도 영역 정보에 기초하여 휘도 신호의 게인을 변경하여 영상의 콘트라스트를 조정함과 함께, 색 신호의 게인을 변경하여 색의 농도 보정을 행하는 구성으로 한다.
3매의 영상 표시 소자를 이용한 투영 장치의 조명 광학계와 색 합성 광학계에서 휘도 불균일, 색얼룩 저감, 고콘트라스트화를 저비용으로의 실현과, 스크린 상에 표시된 확대상(像)의 미스 컨버전스의 저감화가 가능해진다.
摘要翻译：为了提供再现稳定和高对比度视频图像的视频显示技术，构建对比度调整电路。对比度调节电路在预定时间段内检测模数转换后的亮度信号的最大图像电平（MPL）和平均图像电平（APL），确定其中MPL落入其中的预定义亮度区域中的一个， APL下降的预定义亮度区域，并且基于如此确定的MPL和APL的亮度区域，通过改变亮度信号的增益和通过改变颜色信号的增益来进行颜色深度校正来执行视频图像的对比度调整。

95. 发明公开

KR1020030058060A 피디피 티브이의 모듈 보호장치 失效
标题翻译： PDP电视机保护器
公开(公告)号：KR1020030058060A
公开(公告)日：2003-07-07
申请号：KR1020010088443
申请日：2001-12-29
申请人： 엘지전자 주식회사
发明人： 안병수
IPC分类号： H04N5/66
CPC分类号： H04N5/63 , G09G5/10 , G09G2320/0626 , G09G2330/02 , G09G2330/04 , H04N5/57 , H04N5/66
摘要： PURPOSE: A PDP TV module protector is provided to maintain module power supply voltage having a predetermined level to protect a PDP module from being damaged. CONSTITUTION: A PDP TV module protector includes a PDP module(24) having a module power supply(24-1) for supplying driving voltage to each of components of the module, a power supply(21) for accepting AC power to convert the AC power into DC power required for the module power supply, and a video signal processor(23) for converting an external video signal into RGB signals. The PDP TV module protector further includes a comparator(25) for comparing reference voltage with the module power supply voltage provided by the power supply, and a microcomputer(22) for controlling the video signal processor to correspond to a user's picture adjustment signal and, simultaneously to detect the module power supply voltage according to the output of the comparator to maintain a specific level of luminance.
摘要翻译：目的：提供PDP TV模块保护器，以保持具有预定水平的模块电源电压，以保护PDP模块免受损坏。构成：PDP TV模块保护器包括具有用于向模块的每个部件提供驱动电压的模块电源（24-1）的PDP模块（24），用于接受AC电力以转换AC的电源（21）功率转换为模块电源所需的直流电力;以及视频信号处理器（23），用于将外部视频信号转换为RGB信号。 PDP TV模块保护器还包括用于将参考电压与由电源提供的模块电源电压进行比较的比较器（25）和用于控制视频信号处理器以对应于用户图像调整信号的微计算机（22）同时根据比较器的输出来检测模块电源电压，以保持特定的亮度级别。

96. 发明公开

KR1020030047530A 자동 휘도 조정 장치 및 방법 有权
标题翻译：用于自动控制照明的装置和方法
公开(公告)号：KR1020030047530A
公开(公告)日：2003-06-18
申请号：KR1020010078178
申请日：2001-12-11
申请人： 삼성전자주식회사
发明人： 소노고이치
IPC分类号： H04N5/57
CPC分类号： H04N5/57 , H04N21/4318
摘要： PURPOSE: An apparatus and a method for automatically controlling luminance are provided to detect average luminance of a display image to automatically control contrast and brightness for each of predetermined multiple luminance level regions according to the detected average luminance value. CONSTITUTION: An apparatus for automatically controlling luminance includes a luminance calculation unit(34), a luminance level region judgement unit(35), and an automatic luminance controller(36). The luminance calculation unit calculates an average luminance value and maximum luminance value of a display image. The luminance level region judgement unit divides a luminance level into a plurality of luminance regions by using the maximum luminance value and judges which one of the plurality of luminance regions corresponds to the calculated average luminance value. The automatic luminance controller controls an amplification factor related with the luminance level corresponding to the judged luminance region.
摘要翻译：目的：提供一种用于自动控制亮度的装置和方法，用于检测显示图像的平均亮度，以根据检测到的平均亮度值自动控制每个预定多个亮度级区域的对比度和亮度。构成：用于自动控制亮度的装置包括亮度计算单元（34），亮度水平区域判断单元（35）和自动亮度控制器（36）。亮度计算单元计算显示图像的平均亮度值和最大亮度值。亮度水平区域判断单元通过使用最大亮度值将亮度级别分割为多个亮度区域，并且判断多个亮度区域中的哪一个对应于所计算的平均亮度值。自动亮度控制器控制与所判定的亮度区域对应的亮度级相关的放大系数。

97. 发明公开

KR1020020084679A 디스플레이장치의 색상조정방법 有权
标题翻译：显示装置的颜色控制方法
公开(公告)号：KR1020020084679A
公开(公告)日：2002-11-09
申请号：KR1020020008788
申请日：2002-02-19
申请人： 삼성전자주식회사
发明人： 박동식
IPC分类号： H04N9/64
CPC分类号： G09G5/003 , G09G2320/06 , G09G2320/0606 , G09G2320/0626 , G09G2320/066 , G09G2320/0666 , G09G2320/0673 , G09G2320/068 , G09G2320/0693 , G09G2340/04 , H04N1/6055 , H04N5/57 , H04N17/04
摘要： PURPOSE: A color control method of a display device is provided to control the color of images displayed on a screen to become equal to the real color by controlling the video signals output from a video card by the software control of application programs. CONSTITUTION: A color control method of a display device includes the steps of setting brightness and contrast of an image at maximum values(S1), providing non-voltage areas adjacent to the images on the screen by reducing the images to a predetermined size to form a non-active area(S2), controlling the brightness of the inactive area of the image equal to the brightness of the non-voltage area(S3), recovering the image display area to the original size(S4), repeatingly selecting R,G,B gamma characteristic control for color control(S7-S10), generating new ICM(Image Color Matching) profile added with the gamma characteristics to an existing ICM profile as the color control is finished(S11), and realizing the color of the image on the screen on the basis of the ICM profile(S12).
摘要翻译：目的：提供一种显示装置的颜色控制方法，通过通过应用程序的软件控制来控制从视频卡输出的视频信号，来控制屏幕上显示的图像的颜色变为等于真实颜色。构成：显示装置的颜色控制方法包括以最大值（S1）设置图像的亮度和对比度的步骤，通过将图像缩小到预定尺寸来提供与屏幕上的图像相邻的非电压区域，以形成非活动区域（S2），控制图像的非活动区域的亮度等于非电压区域的亮度（S3），将图像显示区域恢复到原始大小（S4），重复地选择R，用于颜色控制的G，B伽马特征控制（S7-S10），当颜色控制完成时，生成添加有伽马特性的新ICM（图像颜色匹配）轮廓到现有的ICM轮廓（S11），并且实现基于ICM简档在屏幕上显示图像（S12）。

98. 发明公开

KR1020010094575A 실시간 화면 표시를 위한 다계조 콘트라스트 조절 장치 및방법 失效
标题翻译：多等级对比度控制装置和实时屏幕显示方法
公开(公告)号：KR1020010094575A
公开(公告)日：2001-11-01
申请号：KR1020000016956
申请日：2000-03-31
申请人： 최명렬
发明人： 최명렬 , 권병헌
IPC分类号： H04N5/57
CPC分类号： H04N5/57
摘要： PURPOSE: A multi gradation contrast control apparatus and method for a real time screen display are provided to improve an image equality by controlling a contrast of a digital screen image displayed on a screen display device. CONSTITUTION: A weight value determining section(10) receives a reference clock, a current input pixel value, and a previous maximum pixel value and provides a difference range, and previous maximum and minimum pixel values. A level changer(20) provides a level change value to prevent an underflow. A weight value controller(30) provides weight value control signals and a changed weight value selecting signal based on the reference clock, difference range, a user selecting value. A weight value changer(40) provides changed weight values based on the reference clock, the level change value, and weight value control signals. A selector(50) outputs a final weight value change value according to the weight value selecting signal based on the weight value control signals from the weight value changer(40).
摘要翻译：目的：提供一种用于实时屏幕显示的多级对比度控制装置和方法，通过控制显示在屏幕显示装置上的数字屏幕图像的对比度来改善图像等同性。构成：权重值确定部分（10）接收参考时钟，当前输入像素值和先前的最大像素值，并提供差值范围，以及先前的最大和最小像素值。电平变换器（20）提供电平变化值以防止下溢。权重值控制器（30）基于参考时钟，差值范围，用户选择值来提供权重值控制信号和改变的权重值选择信号。重量值变更器（40）基于参考时钟，电平变化值和权重值控制信号提供改变的权重值。选择器（50）基于来自权重值变更器（40）的权重值控制信号，根据权重值选择信号输出最终权重值变更值。

99. 发明公开

KR1020010087015A ＯＳＤ 표시 장치 및 방법 有权
标题翻译：屏幕显示设备和方法
公开(公告)号：KR1020010087015A
公开(公告)日：2001-09-15
申请号：KR1020000011075
申请日：2000-03-06
申请人： 엘지전자 주식회사
发明人： 이인호
IPC分类号： H04N5/445
CPC分类号： H04N5/44504 , H04N5/57 , H04N21/4316 , H04N21/4318
摘要： PURPOSE: An on-screen display apparatus and a method are respectively provided to improve a display of OSD signal by comparing an OSD signal with a video signal around the OSD signal. CONSTITUTION: The on-screen display apparatus includes a domain detector(10), a control part(20), a subtracter(30), the first combiner(50), the second combiner(40), an adder(60), and a limiter(70). The domain detector(10) calculates a parameter. The control part(20) defines a mixing coefficient using the parameter. The subtracter(30) subtracts one from the mixing coefficient. The first combiner(50) combines the mixing coefficient with the first video signal(V1). The second combiner(40) combines a subtracted value outputted from the subtracter(30) with the second video signal(V2). The adder(60) adds the values outputted from the first and second combiner(50,40) with each other. The limiter(70) limits a value outputted from the adder(60) in a predetermined range.
摘要翻译：目的：分别提供一种屏幕显示装置和方法，通过将OSD信号与OSD信号周围的视频信号进行比较来改善OSD信号的显示。构成：屏幕显示装置包括域检测器（10），控制部分（20），减法器（30），第一组合器（50），第二组合器（40），加法器（60）和限制器（70）。域检测器（10）计算参数。控制部分（20）使用参数定义混合系数。减法器（30）从混合系数中减去一个。第一组合器（50）将混合系数与第一视频信号（V1）组合。第二组合器（40）组合从减法器（30）输出的减法值与第二视频信号（V2）。加法器（60）将从第一和第二组合器（50,40）输出的值彼此相加。限幅器（70）将从加法器（60）输出的值限制在预定范围内。

100. 发明公开

KR1020010045131A 수평사이즈변경 및 모드변경시의 에이비엘(ＡＢＬ)휘도자동보정회로 无效
标题翻译：自动校正水平尺寸变化和模式变化中的ABL亮度的电路
公开(公告)号：KR1020010045131A
公开(公告)日：2001-06-05
申请号：KR1019990048297
申请日：1999-11-03
申请人： 주식회사 엘지이아이
发明人： 최종룡
IPC分类号： H04N5/57
CPC分类号： H04N5/57
摘要： PURPOSE: A circuit for automatically correcting an ABL brightness in a horizontal size change and a mode change is provided to maintain a screen brightness fixedly by connecting an additional ABL brightness automatic correcting unit between resistors being connected to a variable resistor of an ABL unit. CONSTITUTION: An ABL circuit comprises a high voltage generator(1), an ABL unit(2) for restricting a changing rate of a high voltage generated in the high voltage generator(1), a screen adjusting unit(3) having a variable resistor(VR2) for adjusting a contrast voltage and a condenser(C3), and an ABL brightness automatic correction unit(4). The elements of the ABL brightness automatic correction unit(4) are described as follows. A transistor(Q2) is received a horizontal size adjusting voltage through a base thereof and a collector thereof is grounded. A transistor(Q3) a collector thereof is connected to a variable resistor being connected between resistors(R1, R2) of the ABL unit(2), and an emitter thereof is connected to a resistor(R4) one end thereof is grounded, and a base thereof is connected to an emitter of the transistor(Q2). A variable resistor(VR3) being connected between the emitter of the transistor(Q2) and the base the transistor(Q3) for adjusting an ABL brightness is connected to an input power source and a resistor(R5) one end thereof is grounded. Resistors(R6, R7) are connected to among the variable resistor(VR3), a resistor(R5) and the emitter of transistor(Q2). The other end portion of the resistors(R6, R7) are connected to the emitter of transistors(Q4, Q5). The collectors of the transistors(Q4, Q5) are grounded, and the base of the transistors(Q4, Q5) are constructed for inputting a contrast signals(CS1, CS2) for maintaining a screen brightness fixedly according to a horizontal frequency.
摘要翻译：目的：提供用于自动校正水平尺寸变化和模式改变中的ABL亮度的电路，用于通过连接到ABL单元的可变电阻器的电阻器之间连接附加的ABL亮度自动校正单元来固定屏幕亮度。构成：ABL电路包括高电压发生器（1），用于限制高压发生器（1）中产生的高电压变化率的ABL单元（2），具有可变电阻器的屏幕调节单元（3）（VR2）和用于调节对比度电压的电容器（C3）和ABL亮度自动校正单元（4）。 ABL亮度自动校正单元（4）的元件如下所述。晶体管（Q2）通过其基极接收水平尺寸调整电压，其集电极接地。其一个集电极的晶体管（Q3）与连接在ABL单元（2）的电阻器（R1，R2）之间的可变电阻器连接，其发射极连接到电阻器（R4），其一端接地，其基极连接到晶体管（Q2）的发射极。连接在晶体管（Q2）的发射极和用于调节ABL亮度的晶体管（Q3）的基极之间的可变电阻器（VR3）连接到输入电源和其一端接地的电阻器（R5）。电阻器（R6，R7）连接到可变电阻器（VR3），电阻器（R5）和晶体管（Q2）的发射极之间。电阻器（R6，R7）的另一端部连接到晶体管（Q4，Q5）的发射极。晶体管（Q4，Q5）的集电极接地，晶体管（Q4，Q5）的基极构成为输入用于根据水平频率固定地保持屏幕亮度的对比度信号（CS1，CS2）。

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