입체영상 표시장치와 그 구동방법

Hereinafter, one embodiment of the present invention with reference to the examples detailed drawing objects as follows.

Figure 1 shows a device of the present invention showing block degrees and also one in the embodiment according to stereoscopic display to determine, 2a and 2b is in 2D and 3D [...] lens of the present invention may also indicating cross-sectional drawing and, [...] barrier and Figure 3 of the present invention indicating cross-sectional drawing, Figure 4 of the present invention indicating the plane [...] lens are disclosed.

The reference also 1, of the present invention three-dimensional Image display device includes a display panel (10), [...] optical plate (40), the gate driving unit (110), data driver (120), timing controller (130), [...] optical plate driving unit (140), [...] optical plate number control unit (150), Image processing unit (170) host system (160) etc..

Display panel (10) liquid crystal display (Liquid Crystal Display, LCD), field emission display (Field Emission Display, FED), plasma display panel (Plasma Display Panel, PDP), such as organic light emitting diode devices (Organic Light Emitting Diode, OLED) display device can be implemented. In the embodiment exemplified in the present invention refers to center but below liquid crystal display device, liquid crystal display device is not limited to accomplishing the attention. A liquid crystal display element for modulating the transmission type liquid crystal display panel typically include light from a backlight unit can be selected.

Transmission type liquid crystal display panel includes a thin film transistor (Thin Film Transistor: hereinafter, "TFT" multi-) comprise a color filter substrate. TFT liquid crystal layer formed between the color filter substrate. TFT substrate on data lines (or scan lines) intersected is configured to gate lines, data lines and gate lines to liquid crystal cells defined by the matrix circuit region disposed thereon. Data lines and gate lines formed at the intersection of the TFT includes a gate line (or scan pulse) from gate pulse in response to data line data voltages supplied according to the pixel electrode through the liquid crystal cell are installed therein. To this end, the gate electrode of TFT connected to the gate line, source electrode is line-connected with each other. Se of TFT liquid crystal cell storage capacitor (Storage Capacitor) pixel electrode and connected with each other. Pixel data voltage until the next data voltage storage capacitor bio-invasion in memory used for the subsequent analysis. The common voltage is supplied common electrode facing the pixel electrode.

A common electrode on the color filter substrate, a black matrix, and color filters and the like formed therein. The common electrode is TN (Twisted Nematic) mode VA (Vertical Alignment) formed on the TFT substrate in such as vertical field-driving, such as IPS (In Plane Switching) mode and FFS (Fringe Field Switching) IPS pixel electrode as well color filter substrate in a transfer liquid.

Display panel (10) 2D mode the driver (130) to a number of the 2D Image data other. Display panel (10) 3D mode the driver (130) in the number 1 to number n (n is a natural number larger than 2) number of the view (view) displays images each other. Browser object for generating stereo-scopic Image view cameras spaced-apart by a distance and produce a picked up Image. For example, when an object video splitting circuit 9 a, display panel (10) can view the gate driver applies the 9. [...] optical plate (40) when the liquid crystal lens, liquid crystal lens pitch (pitch) number 1 to number n and each view the display panel, the liquid crystal lens number 1 to number n (Viewpoint) number 1 to number n view Image area by transmissivity, realize stereoscopic images. [...] optical plate (40) when the liquid crystal barrier, each pitch of number 1 to number n view liquid crystal barrier and the display panel, liquid crystal barrier number 1 to number n number 1 to number n view area view Image by barrier, realize stereoscopic images. Number 1 to number n (Viewpoint) area substantially three-dimensional Image is implemented region, the user number 1 to number n of viewing stereoscopic images can be placed to area (Viewpoint).

On the other hand, display panel (10) the transmission type liquid crystal display panel from the data, require a backlight unit. The backlight unit includes a thin film transistor driving the drive current fed from the lighting light source, light guide plate (or diffuser), comprising a number of optical sheet. The backlight unit includes a backlight unit (direct type) lamps, or slotted edge-type (edge type) backlight unit can be implemented. Backlight unit optical sources may be HCFL (Hot Cathode Fluorescent Lamp), CCFL (Cold Cathode Fluorescent Lamp), EEFL (External Electrode Fluorescent Lamp), LED (Light Emitting Diode) of at least two sorts can be either light sources or light source.

The thin film transistor driving current for driving the light source lighting backlight unit occurs. The thin film transistor driving the drive current fed to an on/off control section number to a number of the backlight light sources (ON/OFF) each other. Backlight control section number host system (160) or timing controller (130) global/local [...] (DIM) (Pulse Width Modulation) inputted from the PWM signal duty ratio of the data to the SPI (Serial Peripheral Interface) backlight adjustment value number including backlight driving unit transmits data format. Timing controller a fisherman backlight number (130) can be embedded within an application.

Data driver (120) includes a plurality of source drive IC having a predetermined wavelength. Source drive IC are 3D mode driver (130) 3D Image data inputted from a positive/negative gamma compensation voltage gradation/negative analog data voltages generated. Source drive IC are 2D mode driver (130) 2D Image data inputted from a positive/negative gamma compensation voltage gradation/negative analog data voltages generated. Source drive IC output from positive/negative analog data voltages are display panel (10) supplied data lines.

The gate driving unit (110) includes a shift register, the control signal driving TFT liquid crystal cell swing width suitable for converting a level shifter, and an output buffer consists of polycrystalline thin film integrated circuits each including a plurality of like. Gate driver (110) the TV receiver controller (130) by the data lines which are number of gate pulse that is synchronized to an display panel (10) of gate lines sequentially supplied.

Timing controller (130) any frame frequency display panel (10) and driving, with reference to the predetermined frame frequency gate driver (110) number hu when it freezes, data driver (120) [...] number can be generated. Gate driver (110) number hu when it freezes gate start pulse (Gate Start Pulse, GSP), gate shift clock (Gate Shift Clock, GSC), and gate output enable (Gate Output Enable, GOE) etc.. The timing of the gate start pulse (GSP) is etched first gate pulse number. The gate start pulse (GSP) gate shift clock (GSC) for a shift clock signal are disclosed. Gate output enable (GOE) is the edge of the display (110) decodes the output timing of the number.

Data driver (120) number hu when it freezes source start pulse (Source Start Pulse, SSP), source sampling clock (Source Sampling Clock, SSC), source output enable (Source Output Enable, SOE), etc. (POL) polarity number hu when it freezes. Source start pulse (SSP) causes the driving part (120) is as much as the number of data sampling start time. Source sampling clock is rising or falling edge reference data to a data driver (120) number plower clock signal sampling operation are disclosed. Data driver (120) be input digital video data mini LVDS (Low Voltage Differential Signaling) interface standard if they are transmitted, source start pulse (SSP) source and a sampling clock (SSC) can be dispensed with. Polarity causes the drive number hu when it freezes (POL) (120) (nth L) L outputted from the polarity of the data voltage cycles to invert the one horizontal period. (SOE) source output enable signal causes the driving part (120) decodes the output timing of the number.

On the other hand, of the present invention [...] optical plate (40) for an examples of the SFC [...], [...] lens (40) includes a display panel (10) is arranged on the. Also 2a and 2b also reference the, [...] lens (40) is a split electrode number 1 (41A) are, number 2 split electrode (41B) are, liquid crystal layer (42), common electrode (43), insulating layer (44), lower substrate (45), and an upper substrate (46) comprises. Lower substrate (45) and the top substrate (46) glass (Glass), plastic (Plastic), and film (Film) can be implemented either.

Lower substrate (45) number 1 and number 2 is a split electrode (41A, 41B) are patterned. Number 1 and number 2 split electrode (41A, 41B) are insulating film (44) and an outer (layer) formed into two. Insulating layer (44) is a split electrode number 1 (41A) number 2 with a split electrode (41B) between servicing the short occurs. A split electrode number 1 (41A) are split electrode number 2 (41B) the character of each the lungs. Upper substrate (46) is common electrode (43) patterned single film.

[...] lens (40) lower substrate (45) and the top substrate (46) between the liquid crystal layer (42) formed therein. A liquid crystal layer (42) of liquid crystal molecules in a common electrode (43) and number 1 and number 2 split electrode (41A, 41B) voltage difference between rotated by a substrate. 2D mode, such as common electrode also 2a (43) and number 1 and number 2 split electrode (41A, 41B) voltage difference between liquid crystal layer (42) of liquid crystal molecules in a display panel (10) for refracting incident light through an intact from the base. The, user 2 dimensional Image without parallax left eye an enable signal is formed. 3D mode such as 2b also, common electrode (43) and number 1 and number 2 split electrode (41A, 41B) voltage difference between liquid crystal layer (42) of liquid crystal molecules in a liquid crystal lens (47) number 1 to number 9 number 1 to number 9 view images each formed area (Viewpoint) modified substrate. Thus, the user 3 dimensional Image due to 2d or 3d mesh and an enable signal is formed. The number 9 in the embodiment example described in view two as an example but not limited to tell it what significantly are disclosed.

In addition, optical plate of the present invention [...] (40) using the [...] barrier disapproval. The reference also 3, [...] barrier (30) includes a number 1 substrate (31), number 2 substrate (32), number 1 photon polarization (33A), number 2 photon polarization (33B), segmented electrodes (34) are, liquid crystal layer (35) and a common electrode (36) comprises. [...] barrier (30) of substrate number 1 (31) and number 2 substrate (32) lateral sides each other. Number 1 substrate (31) and number 2 substrate (32) glass (glass) or film or the like can be implemented. Number 1 substrate (31) photon polarization is number 1 (33A) is attached to a rear, number 2 substrate (32) photon polarization is number 2 (33B) attached thereto. Number 1 photon polarization (33A) number 2 to the optical axis of polarization photon (33B) each other in an optical axis of the substrate. Number 1 substrate (31) is formed with a plurality of discrete electrodes (34) are formed therein. Number 2 substrate (32) is provided with a common electrode (36) formed into films of one. [...] barrier (30) includes a number 1 substrate (31) and number 2 substrate (32) formed between the liquid crystal layer (35) comprises. A liquid crystal layer (35) liquid crystal molecules of the common electrode (36) and a split electrode (34) voltage difference between rotated by a substrate.

[...] barrier (30) comprises a liquid crystal layer (35) by the liquid crystal display panel electrically number 2D mode (10) passing light generated from it, 3D mode display panel (10) light generated from partially shut off. First, in 2D [...] barrier (30) common electrode (36) and a split electrode (34) by a difference between voltage, liquid crystal layer (35) of liquid crystal molecules are number 1 photon polarization (33A) through the polarization of properties of substrate. The, number 1 photon polarization (33A) light through the liquid crystal layer (35) of the applied liquid crystal molecules evaporation, number 2 photon polarization (33B) can be passed through. As a result, [...] barrier (30) is in barrier 2D photoresist pattern, display panel (10) and Image may then passed, the viewer cannot view a binocular parallax is 2000.

3D mode [...] barrier (30) common electrode (36) and a split electrode (34) voltage difference between electrodes due to some division, common electrode (36) and a split electrode (34) liquid crystal molecules between the electrodes of only some division number 1 photon polarization (33A) through the polarization of properties of substrate. The, liquid crystal layer (35) some of the liquid crystal molecules of photon polarization number 1 (33A) the light transmitted from the polarized characteristic does not change, the liquid crystal molecules by number 1 photon polarization (33A) light through a portion of the photon polarization number 2 (33B) through the tropics. I.e., number 2 photon polarization (33B) is number 1 photon polarization (33A) light for light polarization characteristics may be identified through is narrowed to be coated. As a result, [...] barrier (30) is formed as barrier 3D mode, display panel (10) of Image is separated, the viewer can be 2d or 3d mesh and viewing of three dimensional images.

On the other hand, the 4 also reference, the aforementioned [...] optical plate of the present invention (40) (B) frequency is separated into disposed, independently decodes each block (B) is a number. The, 2D 3D Image on mixed restraining unit, an upper block (B) are driving both On 3D Image, an upper block (B) are 2D Image Off 2D 3D are grafted on to drive the input video Image to be coated. In Figure 4 is illustrated as a block 64 for example 8 block of transversal longitudinal 8 block but, [...] optical plate of the present invention (40) does not block 64 as the limited disapproval.

Again, also 1, 4 and also the reference also 2b, [...] optical plate driving unit (140) is [...] optical plate (40) are formed with a common electrode corresponding to each block of the (B) (43) and number 1 and number 2 split electrode (41A, 41B) each supplied voltage. [...] optical plate driving unit (140) a common electrode (43) to supply common voltage (Vcom), number 1 and number 2 split electrode (41A, 41B) periodically invert the polarity of each driving voltage supply. This positive DC and to provide a liquid crystal, liquid crystal molecules of the liquid crystal molecules than the first alignment film when DC driving charged particle cause deterioration (pre-a tilt angle) can be altered, together to prevent this are disclosed. [...] optical plate driving unit (140) is [...] optical plate number control unit (150) to number of 2D mode under [e, 3D mode and mixing mode selection voltage supplied differently. 2D mode, [...] optical plate driving unit (140) is [...] optical plate (40) 2a auditory canal such as display panel (10) for passing the light incident from the second supplied voltage. 3D mode, [...] optical plate driving unit (140) is [...] optical plate (40) 2b auditory canal such as liquid crystal lens (47) to form a supplied voltage. In mixed mode, [...] optical plate driving unit (140) is located [...] 3D Image optical plate (40) block (B) liquid crystal lens (47) to form a supply voltage, located [...] 2D Image optical plate (40) for passing through the block (B) light is incident upon a supplied voltage.

[...] optical plate number control unit (150) includes a user sense information (D_S ), Mode signal (MODE) host system (160) from a testee from.

Host system (160) is LVDS (Low Voltage Differential Signaling) interface, TMDS (Transition Minimized Differential Signaling) interface and the like Image data (RGB) and a timing signals over an interface like (Vsync, Hsync, DE, CLK) Image processing unit (170) is supplied to the. Host system (160) 2D 2D Image data in the Image processing unit (170) while supplying, 3D mode number 1 to number n view images including 3D Image data Image processing unit (170) is supplied to the. In addition, in mixed mode 2D 3D video data on Image data Image processing unit (170) is supplied to the. In addition, host system (160) for performing (RGB) for a device for analyzing and accordance with the analysis results display Image booms can be calculated [...] generating global/local d [ming price (DIM). In addition, host system (160) is 2D mode, 3D mode and mixed mode whether is in sub (MODE) on the bottom (170) [...] optical plate number on control section (150) is supplied to the.

Image processing unit (170) host system (160) from Image data (RGB) mode signal (MODE) and view (Cview) subjected input number hu when it freezes. Image processing unit (170) is video data (RGB) and a timing signals (Vsync, Hsync, DE, CLK) timing controller or the like (130) is supplied to the. Image processing unit (170) (MODE) 2D mode according to the mode signal, 3D mode and a mixed mode can be determined. In addition, Image processing unit (170) includes a number of three-dimensional Image in 3D mode according hu when it freezes (Cview) determines the number view view can be. Image processing unit (170) is 2D mode video data in video outputs (RGB) without being converted. Image processing unit (170) is in view number (Cview) (RGB) Image data in accordance 3D hu when it freezes converter according to a set number view. Image processing unit (170) comprises a mixing mode implemented [...] ascertains the position or size of 2D Image during Image 3D 2D Image optical plate number control unit (150) [...] supply drive number, Image to be implemented simultaneously 2D 3D Image processing substrate. Image processing unit (170) of 2D, 3D method and multi-view Image conversion method and a combination of animated Image description for details will be described later.

Figure 5 shows a of Figure 1 Image processing of 2D, 3D and a combination of animated Image is shown diagram method are disclosed.

The reference also 5, Image processing unit (170) host system (160) from Image data (RGB) and mode signal input (MODE) subjected. Image processing unit (170) includes a mode signal (MODE) on whether 3D 2D 3D 2D mode according to whether mode are grafted mode determines whether the other. First, Image processing unit (170) is received from the mode input mode signal (MODE) 2D, 2D Image data without being data rendering processor timing controller (130) output to the. And, in the entire OFF [...] 3D optical plate driving realize 2D Image block cell number.

While, Image processing unit (170) is repeated when the mode input mode signal (MODE) is 3D, 3D 3D video data format Image data (top and bottom) side by side (side by side) cognitive mosaic (mosaic) determines whether the cognitive top end bottom, data rendering block 3D Image data converter timing controller (130) output to the. And, in the entire On [...] 3D optical plate driving realize 3D Image block cell number.

On the other hand, Image processing unit (170) are grafted on 3D 2D input mode signal (MODE) is determined mode, 2D Image position and the size mixed video data identifying other. 2D Image coordinate or vector values the magnitude and position a given substrate. After confirming a 2D Image position or size of the entire display panel, display panel 2D 2D renders Image data of Image data rendering block position, position of 3D render 2D Image positions of Image data timing controller (130) output to the. And, an upper [...] 2D 3D cell number in Image block (B) (B) block the pressing rollers are other Off [...] the pressing rollers are driven by a driving block On, realize 2D 3D Image on screen simultaneously.

On the other hand, in view of the present invention Image processing unit processes Image data in accordance (RGB) hu when it freezes 3D number set according to the number of view (Cview) converter. Hereinafter, Image processing of the multi-view Image conversion method is described as follows.

Figure 6 shows a Image processing of Image conversion method of Figure 1 is shown by improving the flow are disclosed. Also 7a to 7d is also original Image, [...] map Image, number 1 to number 3 view images Image, and stereoscopic Image is shown on the drawing are disclosed. In hereinafter, also 1, also 6, also 7a to 7d also refers to the Image processing unit (170) that are directionally-of Image conversion method herein disclosed.

6 Also reference surface, Image processing unit (170) host system (160) from Image data (RGB), mode signal (MODE), and view (Cview) subjected input number hu when it freezes. Image processing unit (170) includes a mode signal according to whether 2D mode (MODE) can be used to judge whether the 3D mode.

The precharging, Image processing unit (170) is operated (MODE) 2D mode signal, input Image data by the timing controller without being 2D (130) output to the. (S101, S102)

Second, Image processing unit (170) is operated 3D mode signal (MODE), low logic level of 3D mode (Cview) outputs an input number 1 view mode number hu when it freezes if view, high logic level of view number input number 2 can be notified to a user view mode (Cview) if hu when it freezes. For example, when the number of viewer driven view number 1 2 1 master is set in the view mode, when the number of view mode number 2 4 2 one or more viewer driven view can be. In another example, when the number of viewer driven view number 1 3 4 hereinafter name is set in the view mode, the number of view mode number 2 6 4 when driven view one or more viewer can be. In hereinafter, descriptions for facilitating the number of viewer 1 master when driven is set in view mode number 1 2 view, the number of one or more viewer when a view mode number 2 2 4 driven view described about but, not limited to accomplishing attention.

Image processing unit (170) is 3D view mode number 1 (RGB) when input video data in the video data view mode 2 a timing controller (130) output to the. Image processing unit (170) is 3D view mode number 2 (RGB) 4 when input video data in the video data view mode a timing controller (130) output to the. Image processing unit (170) may be 2D (RGB) input video data is video data, video data 3D disapproval. In hereinafter, in view mode about 3D number 2 when Image processing unit (170) of Image conversion method are described as follows. (S103)

A chemical, Image processing unit (170) extracted from input video data (RGB) [...] map (Depth map). Image processing unit (170) is 3D 2D video data or Image data can be extracted using [...] map. In hereinafter, descriptions for facilitating Image processing unit (170) is about using 2D Image data extracting [...] map are described.

Image processing unit (170) is to extract the objects for sensing (Object Detection) [...] through keyword (Object) object, object difference [...] along main substrate. The, Image processing unit (170) in different [...][...] can be extracted using queue (Depth cues). Image [...][...] queue can know which filter is information document, overlap (overlap between a cylindrical front and rear determining [...]), linear perspective Image (a vanishing point sensing, processing perspective representing a vanishing point position back [...] (Back Depth)), shadow analysis (expression of deep shadow switch of bright portion), motion parallax Image (motion (Motion) by sensing to determine [...] relativity of motion), standby perspective (contour sharpness according to determine relative [...]), relative magnitude Image (system and method determining [...] object size) can be like.

7A also video processing unit (170) for calculating the 2D Image is shown and, 7b also video processing unit (170) extracted by [...] map images is shown disclosed. 2D video data color [...] (Depth) and [...] map is shown, a plurality of gray levels 0 to 255 such as 8 bits (Depth) is also 7b [...] (Gray level) can be represented. (Depth) also can comprise a deep black such as 7b [...] is close, close to white can comprise deep can be represented. In addition, multi-view an Image converter (150) is additionally [...] map Image is removed correcting boundary of disapproval. (S104)

Second you, Image processing unit (170) is extracted to determine the [...] receives the disparity (Disparity). Disparity (Disparity) to form either a left or right shift 2D Image data is a predetermined value for big. Plaque [le mote displays the extracted [...] map can comprise low gray level display, the higher the gray level resulting in small plaque [le mote [...] map display. (S105)

Five second, Image processing unit (170) is calculated by applying Image data such as number 1 to number 4 plaque [le mote disabled 2D 7c also generates view images in other. Image processing unit (170) is calculated disparity by left or right by moving 2D Image data number 1 to number 4 can view Image.

On the other hand, number 1 to number 4 in either a left or right shift since the view Image is disparity by video, 2D Image data about data number present in back or second gate data are added Occlusion region shift be lost through hole (Hole) is equal to signal based. Unless such Occlusion region correcting hole region, the viewer viewing door number three-dimensional Image distorted flow tides. The, Image processing unit (170) is a pay which is [thing already publicly known (In a-painting) technique utilizing Occlusion region of hole region can be video data. (S106)

Six second, Image processing unit (170) is 4 view mode number 1 to number 4 panel view map (panel view map) is adapted to produce a multi-view Image data arranged view video data. Image processing unit (170) the generated multi-view Image data timing controller (130) output to the. Image processing unit (170) also 7d multi-view images Image generated by such as disclosed.

On the other hand, 4 8 and 9 also shown in view mode panel view map is also efined. Number 1 to number 4 view images data each are arranged in a line vertically 8 is also a vertical view map (vertical view map) be appearing. Vertical view toward the number 1 to number 4 view images data elements with, such as viewer also 8 depending on the position of the viewer view (View1) number 1, number 2 view (View2), view (View3) number 3, and number 4 (View4) formed vertically in addition to barrier view video processing. 9 Number 1 to number 4 is also oblique to the selection [...] view map (slanted view map) obliquely data each view images appearing to the edifice. Number 1 to number 4 view images data is arranged in a manner when [...] view map, such as viewer also 9 depending on the position of the viewer view (View1) number 1, number 2 view (View2), view (View3) number 3, and number 4 barrier in addition to oblique viewing Image view (View4) obliquely formed.

In the present invention 2D 3D Image are grafted on implementation of method and, through a browser separate from the multi-view Image conversion method but, not limited to, are grafted on 3D 2D 3D Image rendering video data can be used in multi-view Image conversion method disapproval.

Such as said, in the embodiment according to three-dimensional Image display device and its driving method of the present invention one frequency divided into optical plate is formed in one unit [...] Image can be implemented simultaneously 2D 3D Image copyright 2001.

In addition, in the embodiment according to one method of the present invention autostereoscopic display device input video data according to a preset optimum view and for driving the same by tape, stereo-scopic Image resolution three-dimensional Image can be to maintain optimum quality.

Or more of the present invention embodiment described with reference to the attached drawing but for example, the present invention is the technical configuration of the present invention the above-described technical idea of the present invention belongs or essential characteristics and is one skilled art without changing other specific embodiment can form can be understand are disclosed. The exemplary embodiment described above examples in all of which it will not definitive provided should. In addition, description of the present invention range represented by said claim rather than carry vehicle from the outside. In addition, the meaning of the claim of the present invention derived from equivalent general outline all the modification or modified form thereof and range range should interpreted.