TIMING CONTROL PART AND DISPLAY DEVICE INCLUDING SAME
The present invention refers to water level and display device including the timing number are disclosed. Recently, cathode ray tube (Cathode Ray Tube) is arranged at the weight and semi-transparent flat display device etc. inputs operation developed. Flat panel display device is a liquid crystal display device (Liquid Crystal Display; LCD), field emission display device (Field Emission Display FED), plasma display panel (Plasma Display Panel; PDP) and organic light-emitting display device etc. (Organic Light Emitting Display; OLED). Liquid crystal display device because they are not a self light emitting element edges of lamps fed through two-dimensionally to display an Image to be coated. Recent importance of quality of video data on a display device linked with the brightness of the backlight unit is increased by the number of dynamic (Dynamic) permits the current etc.. One object of the present invention the edge of insulating layer a backlight control section a number [...] a timing number are disclosed. It is another object of the present invention improves the quality of the display device so that a number [...] backlight insulating layer are disclosed. However, the present invention this object is achieved by the aforementioned purposes which are not limited to, widening of the idea of the present invention may be in various range which exerts no away from and the region are disclosed. One object of the present invention to achieve, that are input to the control section of the present invention in the embodiment according to the produced timing number are input video signal based on operation of the backlight control section outputs a signal number number number plower backlight backlight, said luminance representation (Display Dynamic Range Extender) DDRE application of input video signal from the signal output a signal and said DDRE DDRE DDRE whether supplies the selection signal based on said selection unit and said backlight number input video signal generator generates the gamma correcting the gamma gamma calibration generating can be. The one in the embodiment, the instantaneous input video signal output number the fisherman said backlight said analyzing said analysis signal on the basis of Image analysis and said backlight backlight PWM (Pulse Width Modulation) duty signal outputted to a control unit number number plower dimming number generating dimming can be. The one in the embodiment, the gray scale value of Image analysis said having said noise reduction can be said analysis signal and outputs the converted value. The one in the embodiment, the fishermen said analysis signal on the basis of said backlight backlight said number outputted voltage level of said backlight signal further comprises generating a signal boosting number number plower boosting number can be water level. The one in the embodiment, gamma calibration generating unit generates a signal and said DDRE said gate on said backlight number judged whether the backlight compensation gamma outputs one of the backlight can be output for gamma compensation. The one in the embodiment, said backlight luminance backlight compensation gamma can be said corresponding said input beam is output luminance backlight can be. The one in the embodiment, said generating unit generates a predetermined panel gamma gamma and gamma calibration said backlight compensation value can be a gamma calibration said generating comprising calculation unit. The one in the embodiment, gamma calibration generating unit generates said gate on said DDRE judged whether the gamma DDRE outputs one of the output for a gamma DDRE can be. The one in the embodiment, said DDRE DDRE output gradation values of input video signal corresponding to the gradation value of said gamma can be a. The one in the embodiment, said gamma calibration generating unit generates said backlight compensation gamma, gamma and predetermined value said DDRE panel gamma gamma calibration said generating comprising calculation unit can be. In order to achieve other purposes of the present invention, the display device of the present invention in the embodiment according to the plurality of pixels including display panel, said display panel light backlight, said backlight number operation of the back light unit a predetermined voltage and said display panel and said backlight signal plower said backlight comprising a plower timing number number can be operation of the water level. The produced water level number input video signal based on said timing signal to said backlight number that are input to the backlight control section number, said luminance representation (Display Dynamic Range Extender) DDRE application of input video signal from the signal output a signal and said DDRE DDRE DDRE whether supplies the selection signal based on said selection unit and said backlight number input video signal generator generates the gamma correcting the gamma gamma calibration generating can be. The one in the embodiment, the instantaneous input video signal output number the fisherman said backlight said analyzing said analysis signal on the basis of Image analysis and said backlight backlight PWM (Pulse Width Modulation) duty signal outputted to a control unit number number plower dimming number generating dimming can be. The one in the embodiment, the gray scale value of Image analysis said having said noise reduction can be said analysis signal and outputs the converted value. The one in the embodiment, the fishermen said analysis signal on the basis of said backlight backlight said number outputted voltage level of said backlight signal further comprises generating a signal boosting number number plower boosting number can be water level. The one in the embodiment, gamma calibration generating unit generates a signal and said DDRE said gate on said backlight number judged whether the backlight compensation gamma outputs one of the backlight can be output for gamma compensation. The one in the embodiment, said backlight luminance backlight compensation gamma can be said corresponding said input beam is output luminance backlight can be. The one in the embodiment, said generating unit generates a predetermined panel gamma gamma and gamma calibration said backlight compensation value can be a gamma calibration said generating comprising calculation unit. The one in the embodiment, gamma calibration generating unit generates said gate on said DDRE judged whether the gamma DDRE outputs one of the output for a gamma DDRE can be. The one in the embodiment, said DDRE DDRE output gradation values of input video signal corresponding to the gradation value of said gamma can be a. The one in the embodiment, said gamma calibration generating unit generates said backlight compensation gamma, gamma and predetermined value said DDRE panel gamma gamma calibration said generating comprising calculation unit can be.
The number control unit and display device of the present invention in the embodiment according to timing and number input video signal analyzing the luminance of a backlight, backlight luminance change according to create backlight compensation gamma, gamma DDRE to expand the range of the input video signal by creating a luminance representation, of high-quality display device can be applied to. Only, the effect of the invention is which are not confined within the aforementioned effect, of the present invention idea and area away from the range which exerts no various fitted S802. Figure 1 shows a water level of the present invention in the embodiment according to timing number representing block are also are disclosed. Figure 2 shows a timing number representing one example of water level is also included in the backlight control section number block of Figure 1. Figure 3 shows a of Figure 2 included in the backlight control section number Image analysis to explain the operation of the graph are disclosed. Figure 4 shows a backlight control section connected to the generated number representing one example of Figure 2 gamma calibration block also are disclosed. Figure 5 shows a of Figure 4 gamma calibration generation unit included in the backlight compensation to explain the operation of the gamma output graph are disclosed. Figure 6 shows a of Figure 4 by an arithmetic operation part to explain the operation of the gamma calibration generation unit included in the graph are disclosed. Figure 7 shows a timing control section contained in the backlight of Figure 1 in another example of a control unit number number representing block also are disclosed. Figure 8 shows a backlight control section connected with a number representing another example of Figure 7 also block the generated gamma calibration are disclosed. Figure 9 shows a of Figure 7 to explain the operation of the gamma output DDRE gamma calibration generation unit included in the graph are disclosed. Figure 10 shows a display device of the present invention in the embodiment according to representing block are also are disclosed. Hereinafter, reference drawing objects, more detailed broadcast receiver of the present invention preferred embodiment. Drawing on the same element with respect to the same element for the same references using redundant description dispensed to each other. Figure 1 shows a water level of the present invention in the embodiment according to timing number representing block are also are disclosed. The reference also 1, timing number control unit (100) back-light number control unit (120), DDRE selection unit (140) and correcting gamma generation unit (160) can be a. Backlight number control unit (120) includes a frame unit (IS) that are input to the input video signal based on the operation of the backlight can be plower backlight number number signal. The SDR (Standard Dynamic Range) Image or HDR (High Dynamic Range) Image input video signal (IS) can be. Backlight device of pixels are connected to the backlight driving circuit and backlight backlight plower number operation can be. Display device includes a light outputting light having a backlight brightness on priority can. Number backlight control section (120) light for operation of a driving unit number plower dimming (dimming) number (boosting) incident light signals (D_CS) can be signal and outputs the converted number is a number signals (B_CS) backlight. Backlight number control unit (120) includes Image analysis and dimming can be a control unit number. Image analysis input Image signal (IS) can be used to analyze analysis signal and outputs the converted. For example, the gray scale value of the input video signal (IS) said Image analysis a gradation value corresponding to the luminance values can be assay devices having signal and outputs the converted. Dimming control section number analysis signal on the basis of outputted PWM (Pulse Width Modulation) backlight backlight signal generates a signal (D_CS) can be plower dimming duty number number. For example, dimming number the fisherman luminance values corresponding to the dimming number assay devices having signal generates a signal (D_CS) can be. In one in the embodiment, a brightness value of water level dimming number analysis signal overlapped with the backlight PWM signal generates a signal (D_CS) can be dimming duty increasing number. In other in the embodiment, a brightness value of water level increase backlight PWM dimming number analysis signal reduced number of increasing a signal (D_CS) dimming duty can be generate. The bottom portion number backlight control section (120) for dimming a number corresponding to a signal outputted from the control unit number (D_CS) backlight dimming device PWM duty having back of the supply can be displayed. Display device includes a light backlight PWM signal duty can be based on a global dimming operation. On the other hand, number backlight control section (120) is outputted backlight backlight analysis signal on the basis of the load number plower boosting number further comprises generating a signal (B_CS) boosting number can be water level. For example, boosting number corresponds to a number according to the brightness control unit generates a signal (B_CS) can be. In one in the embodiment, water level boosting number analysis signal overlapped with the backlight brightness value of increasing the level of boosting voltage generates a signal number (B_CS) can be. In other in the embodiment, a brightness value of water level increase voltage boosting number analysis signal reduced backlight can be increasing the level of boosting signal. Boosting signal boosting number can be generated based on a signal (B_CS) duty or voltage level. The backlight boosting number corresponding to a signal (B_CS) voltage supply backlight signal displayed on the back of the device can be. Crystal display device backlight driving signal based on a voltage level can be global boosting operation. DDRE selection unit (140) luminance representation (IS) input video signal from the signal DDRE (Display Dynamic Range Extender) (DDRE_SEL) can be DDRE whether application of selection signal outputs. DDRE selection unit (140) from the center of an device (e.g., host) receives a signal and selecting whether application of DDRE, DDRE selection signal (DDRE_SEL) can be same outputs. For example, DDRE selection unit (140) is applying DDRE number 1 voltage level (e.g., VDD) when it receives a signal selection signal (DDRE_SEL) having DDRE correcting gamma generation unit (160) feeding, is defined DDRE when it receives a signal voltage level (e.g., VSS) number 2 (DDRE_SEL) having DDRE selection signal correcting gamma generation unit (160) can be supplied. Gamma calibration generation unit (160) back-light number selection signal based on a signal and DDRE (DDRE_SEL) (IS) gamma correcting the input video signal can be generate gamma (CG). In one in the embodiment, gamma calibration generation unit (160) comprising gamma compensation signal and outputs the calculation unit can be back-light. Backlight compensation gamma output unit based on a signal number DDRE selection signal (DDRE_SEL) judged whether the backlight and backlight compensation gamma outputs one of the can. At this time, corresponding to an input luminance backlight backlight compensation gamma can be a backlight of output luminance. For example, applying voltage DDRE DDRE number 1 limits the number selection signal (DDRE_SEL) luminance of a backlight and a signal path in an output gamma compensation to make it difficult, backlight compensation gamma output unit 1 having number 1 exceeds the output backlight compensation gamma and gamma value, applying voltage selection signal DDRE DDRE number 1 (DDRE_SEL) increasing the backlight luminance of a backlight and backlight compensation signal to make it an output number gamma, gamma value of less than 1 backlight compensation gamma output unit selecting transistor is number 2 having backlight compensation gamma, the number 2 is defined DDRE DDRE (DDRE_SEL) gamma compensation voltage selection signal output path in backlight compensation gamma output unit 1 to make it difficult having backlight compensation gamma gamma value can be the output number 3. Backlight compensation gamma output unit a signal corresponding to the selection signal (DDRE_SEL) number DDRE backlight and backlight compensation look-up table comprising storing gamma (Look a-Up Table; LUT) can be. Calculating part calculates a predetermined panel backlight compensation gamma and gamma (e.g., 2. 2 Gamma value provided with gamma) (CG) computing gamma correction can be generate. For example, applying voltage DDRE DDRE number 1 limits the number selection signal (DDRE_SEL) luminance of a backlight and a signal path in an output gamma compensation to make it difficult, backlight compensation gamma output unit 1 having a value of the output exceeds a backlight compensation gamma and gamma, computing unit computes an average predetermined backlight compensation gamma and gamma calibration (CG) to generate convolutionally panel gamma (convolution) can be. Thus, even when the backlight brightness of the display panel displays a predetermined gamma values having reduced can be. In other in the embodiment, gamma calibration generation unit (160) is DDRE comprising gamma signal and outputs the calculation unit can be. (DDRE_SEL) DDRE DDRE gamma output unit outputs one of the judged whether the selection signal based on gamma DDRE can. At this time, corresponding to the gradation value of the input video signal (IS) gamma DDRE DDRE output gradation values of be a. For example, number 1 DDRE DDRE DDRE output unit applying voltage selection signal having the number 1 DDRE gamma (DDRE_SEL) outputs, the number 2 is defined DDRE DDRE having the number 2 DDRE gamma voltage selection signal (DDRE_SEL) can be output. At this time, frames of a gradation value of input video signal (IS) having number 1 DDRE gamma can be reduce, applying input video signal (IS) having gradation value is increased to S by having user curve, display panel displays an luminance representation can be the range. Grayscale value number 2 DDRE DDRE gamma can be made identical by outputting output gradation DDRE, display panel laid on an input video signal can be output. Gamma output unit DDRE DDRE selection signal corresponding to the look-up table storing gamma DDRE (DDRE_SEL) can be. Calculating part calculates a predetermined panel DDRE gamma and gamma (e.g., 2. 2 Gamma value provided with gamma) (CG) computing gamma correction can be generate. For example, applying voltage selection signal (DDRE_SEL) DDRE DDRE number 1 having the user selects S DDRE gamma output unit outputs having number 1 DDRE gamma curve, computing unit computes an average number 1 DDRE gamma calibration (CG) to generate convolutionally encodes gamma gamma decides that the panel can be. The, display panel displays an Image luminance representation extends the range can be. As described above, number of Figure 1 timing control section (100) via the input video signal (IS) number and the luminance of a backlight, backlight luminance change according to video signal for correcting the gamma generation unit (160) by including, display device can be applied to high-quality video. At this time, gamma calibration generation unit (160) of the back-light according to the change in luminance backlight compensation can create a gamma, gamma DDRE to expand the range of the input video signal (IS) by creating a luminance representation, of high-quality display device can be applied to. Figure 2 shows a timing number representing block degrees and one example of control unit number included in the backlight control section, also of Figure 1 2 Figure 3 shows a graph to explain the operation of Image analysis contained in the backlight control section number are disclosed. The reference 2 also and also 3, backlight number control unit (200) for imaging analysis unit (220) and dimming number control unit (240) can be a. Image analysis unit (220) analyzing input video signal (IS) (AS) can be analyzed signal outputs. For example, as shown in Image analysis unit also 3 (220) is generated from the input video signal (IS) input signal (AS) assay devices having a luminance values can be outputs. Dimming number control unit (240) is outputted based on the analysis signal (AS) backlight backlight PWM duty signal generates a signal (D_CS) can be plower dimming number number. For example, dimming number control unit (240) is luminance values corresponding to the dimming number assay devices having signal (AS) generates a signal (D_CS) can be. In one in the embodiment, dimming number control unit (240) is a brightness value of analysis signal (AS) overlapped with the increasing number of backlight can be generating a signal (D_CS) duty PWM dimming. In other in the embodiment, dimming number control unit (240) is reduced duty PWM signal analysis signal (AS) increase a brightness value of a signal (D_CS) backlight dimming can be generating increasing number. Figure 4 shows a backlight control section connected to the generated number representing one example a gamma calibration block degrees and, also of Figure 2 4 Figure 5 shows a backlight compensation output operation of a gamma calibration generation unit included in gamma for graph are disclosed. Figure 6 shows a of Figure 4 by an arithmetic operation part to explain the operation of the gamma calibration generation unit included in the graph are disclosed. The reference also 4 and 5 also, gamma calibration (CG) generation unit (300) gamma compensation-light output (320) and an arithmetic section (340) can be a. Backlight compensation gamma output (320) comprises a plurality of backlight compensation look-up table storing gamma (BL_CG) can be. At this time, the back-light backlight compensation gamma (BL_CG) corresponding to the input luminance (IL_B) backlight can be output luminance (OL_B) beams. Backlight compensation gamma (BL_CG) output (320) is DDRE selection signal (DDRE_SEL) number based on a signal (D_CS, B_CS) backlight and backlight compensation gamma (BL_CG) can be output. For example, backlight compensation gamma (BL_CG) output (320) includes a gamma value exceeds 1 number 1 gamma (BL_CG) backlight compensation, gamma 1 and gamma value having gamma value of less than 1 number 2 (BL_CG) backlight compensation having backlight compensation gamma (BL_CG) can be storing number 3. Applying voltage selection signal DDRE DDRE number 1 (DDRE_SEL) and luminance of a backlight limits the number output gamma compensation path in a signal (D_CS, B_CS) (320) when input, backlight compensation gamma output (320) is number 1 outputs gamma (BL_CG1) backlight compensation, applying voltage selection signal DDRE DDRE number 1 (DDRE_SEL) luminance of a backlight and backlight number increasing output gamma compensation path in a signal (D_CS, B_CS) (320) when input, backlight compensation gamma output (320) number 2 gamma (BL_CG2) and outputs the backlight compensation, the number 2 is defined DDRE DDRE selection signal output path in gamma compensation voltage (DDRE_SEL) (320) to make it difficult to backlight compensation gamma output (320) is number 3 backlight compensation gamma (BL_CG3) can be output. Computing unit (340) on the main control panel gamma-light compensation gamma (CG) generates a gamma calibration value (CG) can be. For example, applying voltage DDRE DDRE number 1 limits the number selection signal (DDRE_SEL) luminance of a backlight and a signal (D_CS, B_CS) path in compensation gamma (BL_CG) output (320) when input, as shown in also 6, backlight compensation gamma (BL_CG) output (320) is 0. 85 Having a gamma value backlight compensation gamma (BL_CG1) number 1 outputs, computing unit (340) is 0. 85 Having a wiper backlight compensation gamma (BL_CG1) gamma value number 1 set 2. 2 Panel to convolutionally encodes gamma 1. 87 Having a gamma value of gamma calibration (CG) can be generate. The, number of Figure 1 timing control section (100) for increasing the brightness of the back-light brightness representation extends the range and by changing the input video signal gamma, display device can be a high-quality signal values. Figure 7 shows a timing control section contained in the backlight of Figure 1 in another example of a control unit number number representing block also are disclosed. The reference also 7, backlight number control unit (400) for imaging analysis unit (420), boosting number control unit (440) and dimming number control unit (420) can be a. Number of Figure 7 dimming control section (420) has a number of Figure 2 dimming control section (240) has an effect on on substantially similar or identical, a description is given of a dispensed to each other. Boosting number control unit (440) (AS) analysis signal is outputted based on the load number backlight backlight plower boosting number can be generating a signal (B_CS). For example, boosting number control unit (440) is a brightness value corresponding to a signal (B_CS) boosting number can be generate. In one in the embodiment, boosting number control unit (440) is a brightness value of the analysis signal (AS) formed by increasing the level of boosting voltage backlight can be generating a signal (B_CS) number. In other in the embodiment, boosting number control unit (440) is a brightness value of voltage increase analysis signal (AS) reduced backlight can be increasing the level of boosting signal. Boosting signal boosting number can be generated based on a signal (B_CS) duty or voltage level. Figure 8 shows a backlight control section connected to the generated number representing another example block degrees and gamma calibration, gamma calibration generation unit included in the output operation also of Figure 7 7 of Figure 9 shows a gamma DDRE for graph are disclosed. The reference also 8, gamma calibration generation unit (500) is DDRE gamma (DDRE_G) output (520) and an arithmetic section (540) can be a. DDRE gamma output (520) comprises a plurality of look-up table storing DDRE gamma (DDRE_G) can be. At this time, gamma (DDRE_G) DDRE input gradation (IG) stores the DDRE output gradation (OG) values of be a. DDRE gamma output (520) is judged whether the DDRE gamma (DDRE_G) (DDRE_SEL) DDRE selection signal based on outputs one of the can. For example, as shown in fig. 9, DDRE gamma output (520) having frames in the input video signal includes reducing a gradation value, with the input coupling of the dithering value is increased to S having user curve number 1 DDRE gamma (DDRE_G1) and input gradation value and output gradation values PC and a number 2 DDRE gamma (DDRE_G2) can be storing. Applying voltage selection signal (DDRE_SEL) DDRE DDRE DDRE number 1 is gamma output (520) when input, DDRE gamma output (520) is gamma (DDRE_G1) number 1 DDRE outputs, the number 2 is defined DDRE DDRE DDRE gamma voltage selection signal (DDRE_SEL) is output (520) when input, DDRE gamma output (520) is number 2 DDRE gamma (DDRE_G2) can be output. Computing unit (540) is on the main control panel gamma DDRE gamma (DDRE_G) (CG) can be generate gamma calibration value. For example, applying voltage selection signal (DDRE_SEL) DDRE DDRE number 1 having the DDRE gamma output (520) having user curve number 1 DDRE S is repeatedly and gamma (DDRE_G1), computing unit (540) is a wiper setting number 1 DDRE gamma (DDRE_G) (CG) can be gamma calibration to generate convolutionally encodes gamma panel. The, backlight luminance which extends the range and number of Figure 1 timing water level brightness representation by changing the input video signal gamma, display device can be a high-quality signal values. Figure 10 shows a display device of the present invention in the embodiment according to representing block are also are disclosed. The reference also 10, display device (600) includes a display panel (610), gate driver (620), data driver (630), timing number control unit (640), backlight unit (650) and backlight (660) can be a. Display panel (610) is formed on a plurality of data lines and gate lines, data lines and gate lines can be an area where a plurality of pixels formed. Gate driver (620) is display panel (610) can be coupled to gate line (GL). Gate driver (620) the TV receiver number control unit (640) and generates a gate signal based on a signal outputted from the circuit number, via gate signal to a gate line (GL) pixels can be. Data driver (630) is display panel (610) can be coupled to data lines (DL). Data driver (630) the TV receiver number control unit (640) video signal can be outputted from the data signal. Data driver (630) the TV receiver number control unit (640) number (DL) based on a signal outputted from the data line via data signal is pixels can be. Backlight (660) is display panel (610) of the display panel around the (610) can be radiating light. 10 But is also not shown, backlight (660) (e.g., CCFL or LED) light source for generating a light irradiated from a light source and the display panel (610) and guided, optical members for improving photo efficiency can be. For example, an optical element has a light display panel (610) to the bottom of the front part of the diffusion plate, a diffusion plate guides the light emitted from improving the efficiency of a prism sheet, or the like be polarising light polarizing sheet. Backlight unit (650) the back-light (660) number plower backlight signal operation of the backlight (660) can be supplied. Backlight (660) back-light driver (650) can be insulating layer based on the signal outputted from the backlight. Timing number control unit (640) to analyze input video signal backlight (660) adjusts the brightness of the backlight and the number signal, backlight (660) of apparatus is video signal according to the change in luminance, the luminance representation can be to expand the range. Specifically, timing number control unit (640) the back-light control section number, and DDRE generator generates a gamma calibration can be selected. The produced water level based on the input video signal that are input to the backlight number backlight unit (650) the operation of the backlight can be plower number number signal. Image analysis and dimming control section number can be a backlight number a fisherman. Analyzing the input Image signal can be analyzed signal and outputs the converted Image analysis. Dimming control section number analysis signal on the basis of backlight unit (650) backlight PWM duty signal output number plower dimming number can be the signal. Backlight unit (650) back-light signals outputted from the control unit number for dimming control unit number corresponding to the number having backlight dimming duty PWM signal to a display device (600) backlight (660) can be supplied. Display device (600) backlight (660) PWM duty of the driving signal based on the back-light can be global dimming operation. On the other hand, backlight control section number analysis signal on the basis of backlight unit (650) backlight signal output voltage level of a signal further comprises generating a boosting number number plower boosting number can be water level. Boosting signal boosting number can be generated based on signals of duty or voltage level. Backlight unit (650) is a signal corresponding to the voltage boosting number backlight signal to a display device (600) backlight (660) can be supplied. Display device (600) backlight (660) back-light based on a voltage level of the driving signal can be global boosting operation. The luminance representation range selection parts DDRE DDRE DDRE whether application of expanding (Display Dynamic Range Extender) supplies the output can. Gamma calibration generating unit generates a signal and DDRE backlight number select signal in the input video signal can be generate gamma correcting the gamma. In one in the embodiment, the bottom portion comprising a gamma calibration generating gamma compensation signal and outputs the calculation unit can be. Backlight and backlight compensation selection signal based on a signal number DDRE gamma output unit outputs one of the backlight can be judged whether the gamma compensation. Backlight compensation selection signal and a signal corresponding to the gamma output unit DDRE backlight number backlight compensation look-up table storing gamma can be. Calculating part calculates a predetermined panel backlight compensation gamma and gamma (e.g., 2. 2 Gamma value provided with gamma) computing gamma correction can be generate. In other in the embodiment, gamma DDRE comprising gamma calibration generating unit generates and outputs the calculation unit can be. Select signal judged whether the gamma DDRE DDRE DDRE gamma output unit outputs one of the can. DDRE gamma output unit corresponding to the look-up table storing gamma DDRE DDRE selection signal can be. Calculating part calculates a predetermined panel DDRE gamma and gamma (e.g., 2. 2 Gamma value provided with gamma) computing gamma correction can be generate. As above-mentioned, of Figure 10 display device (600) to analyze input video signal (IS) number and the luminance of a backlight, backlight luminance change according to video signal for correcting the timing number control unit (650) by including, display panel (610) can be applied to high-quality video. At this time, timing control section number (650) can create a back-light according to the change in luminance of backlight compensation gamma, gamma DDRE luminance representation to expand the range of the input video signal generator generates a gamma calibration generating can be. The present invention refers to display device with the ROM can be applied. For example, the present invention refers to television, computer monitor, notebook, digital camera, cellular phone, smart phone, smart pad, tablet PC, personal digital assistant (PDA), PM pin (PMP), MP3 player, navigation, can be applied to video phone. In the embodiment of the present invention are described in more exemplary reference but, if a person with skill in the art to form a corresponding patent the following is claimed in the art of the present invention within a range that does not alter the present invention idea and area away from various may be understand and modifying it will rain. 100: Timing number control unit 120, 200, 400: Number backlight control section 140: DDRE selection unit 160, 300, 500: Gamma calibration generation unit 600: Display device The present invention provides a timing control part improving image quality by adjusting backlight brightness. The timing control part comprises: a backlight control part outputting a backlight control signal which controls an operation of a backlight driving part based on an input image signal input in a frame unit; a display dynamic range extender (DDRE) selection part outputting as a DDRE selection signal whether a DDRE extending a brightness display range of the input image signal is applied; and a correction gamma generation part generating a correction gamma which corrects a gamma of the input image signal based on the backlight control signal and the DDRE selection signal. COPYRIGHT KIPO 2018 The input frame input video signal based on the operation of the backlight control section number number number plower backlight backlight signal; said input luminance representation (Display Dynamic Range Extender) supplies the output from the signal DDRE DDRE whether application of DDRE selection unit; and said backlight number input video signal based on said selection signal a signal and said DDRE gamma gamma correcting the gamma calibration generating part generating number including timing control section. According to Claim 1, said backlight number input video signal the instantaneous phase and outputs processed video signal analysis unit for analyzing said a fisherman; and said analysis signal on the basis of said backlight backlight PWM (Pulse Width Modulation) duty signal outputted to a control section for generating a signal dimming number number number plower dimming characterized number including timing control section. According to Claim 2, said input video signal said gray scale value Image analysis operations can be characterized in that said analysis signal and outputs the converted number having a value timing control section. According to Claim 2, said analysis signal on the basis of said backlight backlight number the fisherman said voltage level of said backlight signal outputted according to the water level signal further including boosting plower number number number number characterized timing control section. According to Claim 1, gamma calibration generating unit generates a signal and said DDRE said gate on said backlight number judged whether the backlight compensation gamma output backlight compensation gamma outputs one of the characterized number including timing control section.
According to Claim 5, said backlight luminance backlight output luminance of backlight compensation gamma can be said to predict the expected input characterized number corresponding said timing control section. According to Claim 5, said generating unit generates a predetermined panel gamma gamma and gamma calibration said backlight compensation value generating calculation unit characterized number including a gamma calibration said timing control section. According to Claim 1, gamma calibration generating unit generates said gate on said DDRE judged whether the gamma DDRE outputs one of the output timing control section number including a gamma DDRE characterized. According to Claim 8, said DDRE gamma can be said to predict the output gradation value corresponding to the gradation value of the input video signal characterized DDRE timing number control unit. According to Claim 8, said gamma calibration generating unit generates said backlight compensation gamma, gamma and predetermined value said DDRE panel gamma gamma calibration generating said timing number including calculation unit characterized control section. Plurality of pixels including display panel; a backlight irradiating said display panel; said operation of said back light unit a predetermined voltage signal number plower backlight backlight; and said display panel and said backlight plower timing number number and operation of the water level,
Said input video signal based on the input frame number timing control section which outputs a signal to said backlight number backlight number control unit; said luminance representation DDRE application of input video signal from the signal output (Display Dynamic Range Extender) supplies the DDRE whether DDRE selection unit; and said backlight number input video signal based on said selection signal a signal and said DDRE gamma gamma correcting the gamma calibration generating part generating display device characterized by including. According to Claim 11, said backlight number the fisherman said input video signal output and said analyzing said analysis signal on the basis of the instantaneous Image analysis backlight PWM (Pulse Width Modulation) signal outputted backlight dimming number including a control section for generating a signal to duty plower dimming number number display device characterized. According to Claim 12, said input video signal having a value having a value said gray scale Image analysis operations can be characterized in that said analysis signal and outputs the converted display device. According to Claim 12, said analysis signal on the basis of said backlight backlight number the fisherman said voltage level of said backlight signal outputted according to the water level signal further including boosting plower number number number display device characterized. According to Claim 11, said gamma calibration generating unit generates a signal and said DDRE backlight number said select signal judged whether the backlight compensation gamma outputs one of the backlight display device characterized by including an output gamma compensation. According to Claim 15, said backlight luminance backlight output luminance of backlight compensation gamma can be said to predict the corresponding said input display device characterized. According to Claim 15, said generating unit generates a predetermined panel gamma gamma and gamma calibration said backlight compensation value generating calculation unit including said display device characterized gamma calibration. According to Claim 11, said gamma calibration generating unit generates said DDRE judged whether the select signal outputs one of the characterized output including a gamma gamma DDRE DDRE display device. According to Claim 18, said DDRE gamma can be said to predict the output gradation value corresponding to the gradation value of the input video signal display device characterized DDRE. According to Claim 18, said gamma calibration generating unit generates said backlight compensation gamma, gamma and predetermined value said DDRE panel gamma gamma calibration generating said display device characterized by including calculation unit.
