WO2010107247A2 - 필터, 디스플레이 장치 및 액정 디스플레이 장치 - Google Patents
필터, 디스플레이 장치 및 액정 디스플레이 장치 Download PDFInfo
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- WO2010107247A2 WO2010107247A2 PCT/KR2010/001650 KR2010001650W WO2010107247A2 WO 2010107247 A2 WO2010107247 A2 WO 2010107247A2 KR 2010001650 W KR2010001650 W KR 2010001650W WO 2010107247 A2 WO2010107247 A2 WO 2010107247A2
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- left eye
- liquid crystal
- eye lens
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- phase delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
- G09G3/2018—Display of intermediate tones by time modulation using two or more time intervals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
- G09G3/003—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background to produce spatial visual effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/14—Picture signal circuitry for video frequency region
- H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/57—Control of contrast or brightness
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
Definitions
- the present invention relates to a filter, a display device and a liquid crystal display device.
- the display device includes a display panel and a filter for displaying an image.
- a display panel displays a predetermined image on a screen
- a display panel includes a liquid crystal display (LCD), a field emission display (FED), and an organic light emitting display (OLED). And plasma display panels (PDPs).
- LCD liquid crystal display
- FED field emission display
- OLED organic light emitting display
- PDPs plasma display panels
- the filter may be disposed in front of the display panel.
- the present invention relates to a filter, a display device, and a liquid crystal display device using a circularly polarized layer to widen the viewing angle.
- a display apparatus includes a display panel, a filter disposed on the front of the display panel, and 3D glasses including a left eye lens and a right eye lens, wherein the filter includes a substrate and a circular polarization layer disposed on the substrate.
- the left eye lens and the right eye lens respectively transmit circularly polarized light and may be turned on or off according to an input synchronization signal.
- the left eye lens and the right eye lens may each include a liquid crystal layer.
- the apparatus may further include a signal transmitter for supplying the synchronization signal to the 3D glasses.
- the liquid crystal display device includes a liquid crystal display panel and 3D glasses including a left eye lens and a right eye lens, wherein the liquid crystal display panel includes a first substrate on which a first electrode is disposed and a second electrode on which a second electrode is disposed.
- the left eye lens and the right eye lens respectively transmit circularly polarized light, and may be turned on or off according to an input synchronization signal.
- the left eye lens and the right eye lens may each include a liquid crystal layer.
- the apparatus may further include a signal transmitter for supplying the synchronization signal to the 3D glasses.
- the display device may further include a filter disposed on the front surface of the liquid crystal display panel, wherein the filter may include a third linear polarization layer.
- the third linear polarization layer may include a left eye linear polarization portion and a right image linear polarization portion.
- one of the left eye linearly polarized portion and the right image linearly polarized portion may have a ⁇ / 2 phase delay value, and the other may have a zero phase delay value.
- the left eye lens and the right eye lens may be polarized lenses.
- the difference between the phase delay values of the left eye lens and the right eye lens may be approximately ⁇ / 2.
- the filter according to the present invention includes a first substrate, a second substrate and a liquid crystal layer disposed between the first substrate and the second substrate, the liquid crystal layer includes a left eye image portion and a right eye image portion
- the phase delay value of the left eye image portion and the phase delay value of the right eye image portion are substantially the same in 2D mode, and the phase delay value of the left eye image portion and the phase delay value of the right eye image portion are different from each other in 3D mode. Can be.
- the display device may further include a first electrode disposed on the first substrate and a second electrode disposed on the second substrate.
- first electrode and the second electrode may be a transparent electrode.
- the phase delay value of the left eye image portion and the phase delay value of the right eye image portion may be 0 in the 2D mode.
- the difference between the phase delay value of the left eye image portion and the phase delay value of the right eye image portion in the 3D mode may be approximately ⁇ / 2.
- one of the phase delay value of the left eye image portion and the phase delay value of the right eye image portion in the 3D mode may be approximately ⁇ / 4, and the other may be approximately ⁇ / 4.
- one of the phase delay value of the left eye image portion and the phase delay value of the right eye image portion in the 3D mode may be approximately ⁇ / 2, and the other may be approximately zero.
- the 2D mode and the 3D mode may be changed according to a driving signal supplied to the first electrode and / or the second electrode.
- the filter, the display device and the liquid crystal display device according to the present invention can widen the viewing angle by using the circularly polarized layer, thereby improving the image quality of the stereoscopic image.
- FIG. 1 to 9 are views for explaining an example of a filter and a display device according to the present invention.
- 16-18 is a figure for demonstrating a liquid crystal display device
- 19 to 24 are diagrams for explaining the filter using the liquid crystal layer.
- first and second may be used to describe various components, but the components may not be limited by the terms. The terms may be used only for the purpose of distinguishing one component from another component.
- first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
- FIG. 1 to 9 are diagrams for explaining an example of a filter and a display device according to the present invention.
- a plasma display panel PDP
- the display panel applicable to the present invention is not limited to the plasma display panel, but a liquid crystal display panel is used.
- LCD liquid crystal display panel
- FED field emission display panel
- OLED organic light emitting display panel
- the display apparatus may include a plasma display panel 100, a linear polarization filter 120, and a filter 110 displaying an image.
- the linear polarization filter 120 may convert light generated from the plasma display panel 100 into linear polarization. Accordingly, the plasma display panel 100 that emits unpolarized light may be implemented in a stereoscopic image.
- the linear polarization filter 120 may be omitted.
- the linear polarization filter 120 may be applied even when the liquid crystal display panel other than the plasma display panel 100 is applied to the display device.
- polarized light having a different propagation direction other than linearly polarized light may be mixed with the light emitted by the liquid crystal display panel. In this manner, polarized light having different advancing directions may be referred to as light condensation.
- the separation ratio of the image of the right eye of the left eye decreases, so that the image quality of the stereoscopic image may decrease.
- the linear polarization filter 120 when the liquid crystal display panel is applied, it is possible to convert the light emitted from the liquid crystal display panel into linearly polarized light, thereby increasing the degree of polarization. .
- the image quality of the stereoscopic image can be improved by increasing the separation of the image of the right eye of the left eye.
- the plasma display panel 100 displays a predetermined image on the screen, and the filter 110 is disposed in front of the display panel 100.
- the plasma display panel 100 includes a front substrate 201 on which scan electrodes 202 and Y and sustain electrodes 203 and Z which are parallel to each other are disposed, and are arranged to face the front substrate 201, and the scan electrodes 202 and The rear substrate 211 on which the address electrode 213 intersects the sustain electrode 203 may be disposed.
- An upper dielectric layer 204 covering the scan electrode 202 and the sustain electrode 203 may be disposed on the front substrate 201 where the scan electrode 202 and the sustain electrode 203 are disposed.
- the upper dielectric layer 204 limits the discharge current of the scan electrode 202 and the sustain electrode 203 and can insulate the scan electrode 202 and the sustain electrode 203.
- a protective layer 205 may be disposed over the upper dielectric layer 204 to facilitate discharge conditions.
- the protective layer 205 may include a material having a high secondary electron emission coefficient such as magnesium oxide (MgO).
- an electrode for example, an address electrode 213 is disposed on the rear substrate 211, and an address electrode 213 is covered on the rear substrate 211 on which the address electrode 213 is disposed to insulate the address electrode 213.
- a dielectric layer such as lower dielectric layer 215, may be disposed.
- the discharge space that is, partitions 212 such as stripe type, well type, delta type, honeycomb type, etc. that partition the discharge cells
- the barrier rib 212 may be provided with a red (R), green (G), and blue (B) discharge cell between the front substrate 201 and the rear substrate 211.
- the partition 212 may include a first partition (not shown) and a second partition (not shown) that cross each other.
- the height of the first and second partition walls may be different.
- the discharge cell partitioned by the partition 212 is filled with a predetermined discharge gas.
- a phosphor layer 214 that emits visible light for image display may be disposed in the discharge cell partitioned by the partition wall 212.
- red (R), green (G), and blue (B) phosphor layers may be disposed.
- the present invention is not limited to the plasma display panel having the structure described above.
- the scan electrode 202 and the sustain electrode 203 are disposed in contact with the upper surface of the front substrate 201 is illustrated.
- the front substrate 201 and the scan electrode 202 are different.
- at least one functional layer for example, another dielectric layer, may be further disposed between the sustain electrode 203 or the upper dielectric layer 204 may have a multi-layer structure.
- the filter 110 When the filter 110 is disposed in front of the display panel 100, as illustrated in FIG. 2, the filter 110 may include a first substrate 220 and a linear polarization layer 240 forming a basic skeleton.
- the first substrate 220 may provide a space in which the linear polarization layer 240 may be disposed, and may be made of a substantially transparent material.
- the first substrate 220 may be made of glass or plastic.
- the first substrate 220 may be an isotropic film substrate.
- the linear polarization layer 240 may emit linear polarization by polarizing light emitted from the plasma display panel 100.
- the linear polarization layer 240 may include a left eye linear polarization part 241 and a right image linear polarization part 242.
- the left eye linear polarization part 241 and the right image linear polarization part 242 may be arranged side by side on the same layer.
- the phases of the left eye image linearly polarized portion 241 and the right image linearly polarized portion 242 may be perpendicular to each other.
- one of the phase delay value of the left eye linear polarization part 241 and the phase delay value of the right image linear polarization part 242 may be ⁇ / 2, and the other may be zero. Accordingly, the phase difference between the image passing through the left eye linear polarization portion 241 and the image passing through the right image linear polarization portion 242 may be approximately 90 °.
- FIG. 3 A method of implementing a stereoscopic image of the filter 110 having the structure as shown in FIG. 2 will be described with reference to FIG. 3.
- the display panel 500 is a liquid crystal display panel capable of emitting light of linearly polarized light.
- the light generated from the left eye image pixel 250 of the display panel 500 passes through the left eye image linearly polarized portion 241 of the linearly polarized light 240, and the light generated from the right eye image pixel 260 is the linearly polarized layer ( The light may pass through the right image linearly polarized portion 242 of 240.
- the light passing through the left eye image linearly polarized portion 241 and the light passing through the right image linearly polarized portion 242 may have substantially a phase difference of ⁇ / 2.
- the viewer wears 3D glasses 300 composed of different linear polarizing plates having a phase difference of ⁇ / 2, both eyes will recognize the image having a phase difference of ⁇ / 2, thereby feeling the image in three dimensions.
- the left eye lens and the right eye lens of the 3D glasses 300 may be linear polarized lenses, respectively.
- the filter 110 may include a first substrate 220 and a circular polarization layer 230.
- the description of the parts described in detail with reference to FIG. 2 will be omitted.
- the circular polarization layer 230 may emit circularly polarized light by polarizing light emitted from the plasma display panel 100.
- the circular polarization layer 230 may include a left eye circular polarization part 232 and a right image circular polarization part 231.
- the left eye circularly polarized portion 232 and the right image circularly polarized portion 231 may be arranged side by side on the same layer.
- the left eye circularly polarized portion 232 and the right image circularly polarized portion 231 may be perpendicular to each other in phase.
- one of the phase delay value of the left eye circular polarization part 232 and the phase delay value of the right image circular polarization part 231 may be ⁇ / 4, and the other may be - ⁇ / 4. Accordingly, the phase difference between the image passing through the left eye circularly polarized portion 232 and the image passing through the right image circularly polarized portion 231 may be approximately 90 °.
- FIG. 5 A method of implementing a stereoscopic image of the filter 110 having the structure shown in FIG. 4 will be described with reference to FIG. 5.
- the display panel 500 is a liquid crystal display panel capable of emitting light of linear polarization.
- the light generated from the left eye image pixel 250 of the display panel 500 is circularly polarized light rotating through the left eye image circularly polarized portion 232 of the circular polarization layer 230 in the left eye direction.
- the light generated by the image pixel 260 may be circularly polarized light rotating through the right image circularly polarized portion 231 of the circularly polarized layer 230 in the right direction.
- the light passing through the left eye image circularly polarized portion 232 and the light passing through the right image circularly polarized portion 231 may have substantially a phase difference of ⁇ / 2.
- the viewer wears 3D glasses 300 composed of different circularly polarizing plates having a phase difference of ⁇ / 2, both eyes will recognize the image having a phase difference of ⁇ / 2, thereby feeling the image in three dimensions.
- the left eye lens and the right eye lens of the 3D glasses 300 may be circularly polarized lenses, respectively.
- the filter 110 may include a first substrate 220, a circular polarization layer 233, and a linear polarization layer 240.
- the description of the parts described in detail with reference to FIGS. 2 and 4 will be omitted.
- the circular polarization layer 233 may be disposed on the substrate 220, and the linear polarization layer 240 may be disposed on the circular polarization layer 233.
- the positions of the circular polarizing layer 233 and the linear polarizing layer 240 may be interchanged.
- the linear polarization layer 240 may include a left eye linear polarization part 241 and a right image linear polarization part 242.
- the linear polarization layer 240 has been described in detail with reference to FIG. 2.
- the circularly polarized layer 233 can have a phase delay value of ⁇ / 4 or - ⁇ / 4.
- the circular polarization layer 233 may be commonly overlapped with the left eye image linear polarization portion 241 and the right image linear polarization portion 242 of the linear polarization layer 240. That is, the light passing through the left eye image linear polarization portion 241 and the light passing through the right image linear polarization portion 242 of the linear polarization layer 240 pass through the circular polarization layer 233.
- FIG. 7 it is assumed that the display panel 500 is a liquid crystal display panel capable of emitting light of linearly polarized light.
- light generated in the left eye image pixel 250 of the display panel 500 passes through the left eye image polarization portion 241 of the linear polarization layer 240, and light generated in the right eye image pixel 260 passes through the linear polarization layer.
- the light may pass through the right image linearly polarized portion 242 of 240.
- the light passing through the left eye image linearly polarized portion 241 and the light passing through the right image linearly polarized portion 242 may be linearly flat light having a phase difference of ⁇ / 2 substantially.
- the light passing through the left eye linear polarization part 241 and the light passing through the right image linear polarization part 242 may be circular polarized light having a phase difference of ⁇ / 2 while passing through the circular polarization layer 233.
- the viewer can watch a stereoscopic image with the left eye lens and the right eye lens wearing 3D glasses 300 each having a circular polarization lens.
- the viewing angle may be widened, thereby improving the image quality of the stereoscopic image.
- the display panel 500 implements an image having a specific phase angle.
- both the left eye lens and the right eye lens of the 3D glasses 300 are linear light lenses.
- the image displayed on the display panel 500 is observed at an oblique angle with the left eye lens 301 and the right eye lens 302 respectively wearing the 3D glasses 300 which are linear polarized lenses as shown in FIG. 8A.
- the image may appear blurred. This occurs because the phase of the image implemented by the display panel 500 does not match the phase of the 3D glasses 300.
- both the left eye lens 301 and the right eye lens 302 of the 3D glasses 300 may be circularly polarized lenses.
- the left eye lens 301 and the right eye lens 302 wear the 3D glasses 300 which are circular polarized lenses, respectively, at an oblique angle. Even if you observe, you can observe a clear image. As described above, when the circularly polarized layers 233 and 230 are used, the viewing angle can be widened, thereby improving the image quality of the stereoscopic image.
- the filter 110 including the circularly polarized layer 233 and the linearly polarized layer 240 is used as in the case of FIGS. 6 to 7, the influence of the light may be reduced. By improving the separation of the image, the image quality of the stereoscopic image can be improved.
- the position of the first substrate 220 in the filter 110 may vary.
- the filter 110 may further include at least one functional layer in addition to the linear polarization layer 240 and the circular polarization layers 230 and 233.
- the filter 110 includes an anti-reflective layer (510) to prevent reflection of light incident from the outside, or the filter 110 from an external pressure or impact. It may be possible to further include a hard coating layer (Hard Coating Layer: 520) to protect the.
- an anti-reflective layer 510) to prevent reflection of light incident from the outside, or the filter 110 from an external pressure or impact.
- a hard coating layer Hard Coating Layer: 520
- the filter 110 may include various functional layers such as an antistatic layer (AS) and an anti-smudge layer.
- AS antistatic layer
- anti-smudge layer an anti-smudge layer
- shutter-type 3D glasses 10 to 15 are views for explaining the case of using the shutter-type 3D glasses. In the following, description of the parts described above in detail will be omitted. In addition, hereinafter, only a method of applying shutter-type 3D glasses to a plasma display panel is disclosed. However, in the present invention, one frame is configured as a left eye subframe and a right eye subframe. Any display panel that can be driven by sub-frame) can be applied.
- a frame structure for realizing a stereoscopic image in a plasma display panel is disclosed.
- a frame for implementing gray levels of a stereoscopic image may include a plurality of sub-frames including at least one subfield.
- one frame may include a first sub-frame and a second sub-frame each including at least one subfield.
- the first subframe is a left eye subframe corresponding to the left eye lens
- the second subframe is a right eye subframe corresponding to the right eye lens. It is also possible for the positions of the first subframe and the second subframe to be interchanged.
- the number of subfields included in each subframe may be variously changed.
- the subfield is a sustain period for implementing gradation according to an address period and a number of discharges for selecting a discharge cell in which discharge will not occur or a discharge cell in which discharge occurs. It may include.
- each of the first subframe and the second subframe includes seven subfields SF1-SF7 and SF8-SF14 to implement 128 gray levels, and each subfield includes an address period and a sustain period. can do.
- At least one subfield of the plurality of subfields of the frame may further include a reset period for initialization.
- the first subfield of each subframe may include a reset period in which a reset signal is supplied to the scan electrode.
- the weight of the corresponding subfield may be set by adjusting the number of sustain signals supplied in the sustain period. That is, a predetermined weight can be given to each subfield using the sustain period.
- gray levels of various images may be realized by adjusting the number of sustain signals supplied in the sustain period of each subfield according to the weight in each subfield.
- subfields are arranged in increasing order of the weight in each subframe, but alternatively, subfields may be arranged in decreasing order of weight in each subframe, or weight Subfields may be arranged regardless.
- FIG. 11 illustrates an example of a driving waveform for driving a plasma display panel.
- the reset signal RS may be supplied to the scan electrode Y. have.
- the reset signal RS may include a rising ramp signal (Ramp-Up: RU) in which the voltage gradually rises and a falling ramp signal (Ramp-Down: RD) in which the voltage gradually falls.
- the rising ramp signal RU may be supplied to the scan electrode in the setup period SU of the reset period, and the falling ramp signal RD may be supplied to the scan electrode in the setdown period SD after the setup period. .
- setup discharge When the rising ramp signal is supplied to the scan electrode, a weak dark discharge, that is, setup discharge, occurs in the discharge cell by the rising ramp signal.
- setup discharge the distribution of wall charges can be uniform in the discharge cells.
- a weak erase discharge that is, a setdown discharge
- wall charges such that address discharge can be stably generated can be uniformly retained in the discharge cells.
- the scan reference signal Ybias having a voltage higher than the lowest voltage of the falling ramp signal may be supplied to the scan electrode.
- the scan signal Sc that falls from the voltage of the scan reference signal Ybias may be supplied to the scan electrode.
- the data signal Dt may be supplied to the address electrode X corresponding to the scan signal.
- an address discharge may be generated in the discharge cell to which the data signal is supplied while the voltage difference between the scan signal and the data signal and the wall voltage generated by the wall charges generated in the reset period are added.
- the sustain reference signal Zbias signal may be supplied to the sustain electrode in the address period in which the address discharge occurs so that the address discharge is effectively generated between the scan electrode and the address electrode.
- the sustain signal SUS may be supplied to at least one of the scan electrode and the sustain electrode.
- a sustain signal may be alternately supplied to the scan electrode and the sustain electrode.
- the discharge cell selected by the address discharge is added with the wall voltage in the discharge cell and the sustain voltage Vs of the sustain signal, and a sustain discharge, i.e., display between the scan electrode and the sustain electrode when the sustain signal is supplied. Discharge may occur.
- FIG. 12 illustrates an example of a configuration of a display apparatus for implementing a stereoscopic image using a plasma display panel.
- the display apparatus includes a plasma display panel 100, a data driver 101, a scan driver 102, a sustain driver 103, a 3D glasses 300, a timing controller 400, a signal transmitter, and a signal transmitter. 410 may be included.
- the data driver 101, the scan driver 102, and the sustain driver 103 have different board shapes.
- the data driver 101, the scan driver 102, and the sustain driver 103 have different board shapes.
- At least two of the drives 103 may be formed or integrated in one borough.
- the data driver 101 may supply driving signals such as data signals to the address electrodes X1 to Xm of the plasma display panel 100.
- the scan driver 102 may supply driving signals such as scan signals to the scan electrodes Y1 to Yn of the plasma display panel 100.
- the sustain driver 103 may supply driving signals such as a sustain signal to the sustain electrodes Z1 to Zn of the plasma display panel 100.
- the timing controller 400 may supply a predetermined timing control signal to the data driver 101, the scan driver 102, the sustain driver 103, and the signal transmitter 410 to control the timing of each driving signal. .
- the timing controller 400 generates a synchronizing signal (SS) for controlling the on / off of the left eye lens 301 and the right eye lens 302 of the 3D glasses 300.
- SS synchronizing signal
- the signal transmitter 410 may supply the synchronization signal SS under the control of the timing controller 400.
- the signal receiving unit of the 3D glasses 300 receives the synchronization signal SS, and the on / off of the left eye lens and the right eye lens of the 3D glasses 300 is controlled according to the received synchronization signal SS. Can be.
- the timing controller 400 may turn on the left eye lens 301 corresponding to the left eye subframe, and turn on the right eye lens 302 corresponding to the right eye subframe.
- the timing controller 400 supplies the timing control signal, that is, the synchronization signal SS, to the 3D glasses 300 through the signal transmitter 410 to turn the left eye lens 301 and the right eye lens 302. -On time and turn-off time can be controlled.
- the timing control signal that is, the synchronization signal SS
- the left eye lens 301 and the right eye lens 302 respectively have a liquid crystal whose molecular arrangement is changed according to the applied voltage. It may be desirable to include a layer (not shown).
- one frame includes a first sub-frame and a second sub-frame, and the first sub-frame includes the first sub-field SF1.
- the first subfield SF7 includes a through subfield SF7 to the seventh subfield SF7
- the second subframe includes the eighth subfield SF8 through a fourteenth subfield SF14.
- the left eye lens 301 may be turned on and the right eye lens 302 may be turned off during the first subfield SF1 to the seventh subfield SF7.
- the right eye lens 302 may be turned on and the left eye lens 301 may be turned off.
- the first subframe may be referred to as a left eye subframe
- the second subframe may be referred to as a right eye subframe.
- the left eye subframe first subframe precedes the right eye subframe (second subframe) within one frame
- the right eye subframe precedes the left eye subframe in one frame. It is also possible.
- the filter may include a circularly polarized layer.
- the filter 110 may include the first substrate 220 and the circularly polarized layer 233 disposed on the first substrate 220.
- the left eye lens 301 and the right eye lens 302 of the 3D glasses 300 may each transmit the circularly polarized light, and it may be preferable to be turned on / off according to an input synchronization signal.
- light generated in the display panel 500 may be circularly polarized light while passing through the circularly polarized layer 233.
- the viewer can watch a stereoscopic image while wearing the 3D glasses 300.
- the viewing angle may be widened.
- 16 to 18 are diagrams for explaining the liquid crystal display device. In the following, description of the parts described above in detail will be omitted.
- the liquid crystal display device may include a liquid crystal display panel and 3D glasses.
- the 3D glasses that may be applied to the liquid crystal display device according to the present invention may be the polarization type 3D glasses described above with reference to FIGS. 1 to 9, or the shutter type 3D glasses described with reference to FIGS. 10 to 15.
- a liquid crystal display panel includes a first substrate 1600 on which a first electrode 1620 is disposed, a second substrate 1610 on which a second electrode 1630 is disposed, a first substrate 1600, and a second substrate.
- the liquid crystal layer 1670 disposed between the substrates 1610, the first linear polarization layer 1640 disposed on the first substrate 1600, the circular polarization layer 1650 disposed adjacent to the first linear polarization layer 1640, and It may include a second linear polarization layer 1660 disposed on the second substrate 1610.
- the liquid crystal display panel may include a backlight unit 1680 disposed on the side of the second linear polarization layer 1660.
- the first substrate 1600 and / or the second substrate 1610 may be a glass substrate.
- an alignment layer for setting the pretilt angle of the liquid crystal may be formed on the first substrate 1600 and / or the second substrate 1610.
- the first electrode 1620 and / or the second electrode 1630 may be a transparent electrode.
- the first electrode 1620 and / or the second electrode 1630 may apply a voltage supplied from a TFT (not shown) to the liquid crystal layer 1670.
- the liquid crystal layer 1670 may include a plurality of liquid crystal molecules 1671, and the arrangement of the liquid crystal molecules 1671 may be converted according to a voltage applied from the first electrode 1620 and / or the second electrode 1630. have.
- the first linear polarization layer 1640 and the second linear polarization layer 1660 have light transmission axes in a predetermined direction.
- the light transmission axis of the first linear polarization layer 1640 and the light transmission axis of the second linear polarization layer 1660 may be substantially perpendicular to each other.
- the circularly polarized layer 1650 may convert light emitted from the backlight unit 1680 into circularly polarized light.
- TN mode twisted nematic mode
- the liquid crystal molecules 1671 are not rotated since they are substantially subjected to no force.
- the light incident through the second linear polarization layer 1660 and incident on the liquid crystal layer 1670 does not pass through the first linear polarization layer 1640 because the polarization component is maintained as it is.
- the surface of the first substrate 1600 is driven by the voltage applied to the liquid crystal molecules 1676. It can rotate in the direction of the induced magnetic field formed in the direction.
- the light incident through the second linear polarization layer 1660 and incident on the liquid crystal layer 1670 may pass through the first linear polarization layer 1640 because the polarization component is changed by the liquid crystal molecules 1671.
- the liquid crystal display panel according to the present invention since the liquid crystal display panel according to the present invention includes a circular polarization layer 1650 together with the linear polarization layers 1640, 1660, a filter including a circular polarization layer to generate circular polarization There is no need to provide. Therefore, since the liquid crystal display device according to the present invention can omit the filter while implementing circularly polarized light, the thickness can be further reduced.
- the shutter-type 3D glasses described in detail with reference to FIGS. 10 to 15 may be applied.
- the left eye lens and the right eye lens of the shutter-type 3D glasses respectively transmit circularly polarized light and may be turned on / off according to an input synchronization signal.
- the left eye lens and the right eye lens may each preferably include a liquid crystal layer.
- the liquid crystal display device according to the present invention may further include a signal transmission unit for supplying a synchronization signal to the 3D glasses to control the on / off of the left and right lenses of the shutter-type 3D glasses. This has been described in detail with reference to FIGS. 10 to 15.
- the liquid crystal display body according to the present invention may be applied to the polarized type 3D glasses.
- the liquid crystal display device according to the present invention may include a filter 110 as described above with reference to FIGS. 2 to 3.
- the liquid crystal display device includes a filter 110 including a linear polarization layer 240 including a left eye linear polarization part 241 and a right image linear polarization part 242 as shown in FIGS. 2 to 3. It may be desirable to include.
- one of the left eye image linearly polarized portion 241 and the right image linearly polarized portion 242 has a ⁇ / 2 phase delay value, and the other has a zero phase delay value.
- the left eye lens and the right eye lens of the 3D glasses 300 may be polarized lenses having a difference in phase delay of approximately ⁇ / 2, and circularly polarized lenses in detail.
- the filter 110 including the linearly polarized layer 240 including the left eye linearly polarized portion 241 and the right image linearly polarized portion 242 is disposed in front of the liquid crystal display panel including the circularly polarized layer 1650.
- the viewer can watch a stereoscopic image according to the circularly polarized light using the 3D glasses.
- 19 to 24 are diagrams for explaining the filter using the liquid crystal layer. In the following, description of the parts described above in detail will be omitted. In addition, although the case where the plasma display panel 100 is applied is demonstrated below, it is also possible to apply to other display panels, such as a liquid crystal display panel.
- the filter 110 disposed on the front surface of the plasma display panel 100 may include a liquid crystal layer 1970.
- the filter 110 may include a first substrate 1900 on which the first electrode 1920 is disposed, a second substrate 1910 on which the second electrode 1930 is disposed, and a first substrate 1900, as shown in FIG. 20.
- the liquid crystal layer 1970 may be disposed between the second substrate 1910.
- the first substrate 1900 and / or the second substrate 1910 may be a glass substrate.
- an alignment layer for setting the pretilt angle of the liquid crystal may be formed on the first substrate 1900 and / or the second substrate 1910.
- the first electrode 1920 and / or the second electrode 1930 may be a transparent electrode.
- the first electrode 1920 and / or the second electrode 1930 may apply a voltage supplied from a TFT (not shown) to the liquid crystal layer 1970.
- the liquid crystal layer 1970 includes a plurality of liquid crystal molecules 1971, and the arrangement of the liquid crystal molecules 1971 may be converted according to a voltage applied from the first electrode 1920 and / or the second electrode 1930. have.
- the liquid crystal layer 1970 may have a 3D mode or a 2D mode according to the arrangement change of the liquid crystal molecules 1971. That is, the 2D mode and the 3D mode of the liquid crystal layer 1970 may be changed according to a driving signal supplied to the first electrode 1920 and / or the second electrode 1930. This will be described in more detail below.
- the filter 110 may include a left eye image portion 2100 and a right eye image portion 2110. Accordingly, the liquid crystal layer 1970 may also include a left eye image portion and a right eye image portion.
- the phase delay values of the left eye image portion 2100 and the right eye image portion 2110 may be substantially the same.
- the liquid crystal molecules 1971 may be arranged in the form as shown in FIG. 17 by supplying a voltage to the first electrode 1920 and the second electrode 1930 in the left eye image portion 2100 and the right eye image portion 2110.
- the light generated by the panel 500 may pass through the liquid crystal layer 1970 without change in phase.
- the phase delay value of the left eye image portion 2100 and the phase delay value of the right eye image portion 2110 may be zero. More preferably, light generated in the panel 500 may pass through the liquid crystal layer 1970 without excessively decreasing luminance. Accordingly, it is possible to implement a 2D image.
- the phase delay values of the left eye image portion 2100 and the right eye image portion 2110 may be different from each other.
- a difference between the phase delay value of the left eye image part 2100 and the phase delay value of the right eye image part 2110 may be approximately ⁇ / 2.
- the light generated in the panel 500 may pass through the liquid crystal layer 1970 without changing phase. That is, the phase delay value of the left eye image portion 2100 is substantially zero.
- the arrangement of the liquid crystal molecules 1971 by supplying a voltage different from the voltage supplied to the left eye image portion 2100 to the first electrode 1920 and the second electrode 1930 in the right eye image portion 2110. The angle may be adjusted to have a phase delay of ⁇ / 2.
- the viewer may watch a 3D stereoscopic image if the 3D glasses 300 of the linear polarization type are worn.
- the phase delay value of the left eye image portion 2100 may be ⁇ / 4
- the phase delay value of the right eye image portion 2110 may be ⁇ / 4.
- the left eye image portion 2100 supplies the first driving signal to the first electrode 1920 and the second electrode 1930
- the right eye image portion 2110 provides the first electrode 1920 and the second electrode
- the angle of alignment of the liquid crystal molecules 1971 is adjusted so that the phase delay value of the left eye image portion 2100 is ⁇ / 4, and the right eye image portion 2110 is provided.
- the viewer may watch a 3D stereoscopic image if the 3D glasses 300 of circular polarization type are worn.
- the shutter-type 3D glasses 300 may be applied.
- the filter 110 including the liquid crystal layer 1970 sets the phase delay value of the liquid crystal layer 1970 in the 3D mode as shown in FIG. 24.
- the arrangement angle of the liquid crystal molecules 1971 is adjusted so that the phase delay value of the liquid crystal layer 1970 becomes ⁇ / 4. can do.
- the phase retardation value of the liquid crystal layer 1970 may be - ⁇ / 4.
- the viewer may watch a 3D stereoscopic image if the 3D glasses 300 of the shutter type are worn.
- the left eye lens 301 and the right eye lens 302 of the shutter-type 3D glasses 300 respectively transmit circularly polarized light and may be turned on / off according to an input synchronization signal.
- the left eye lens and the right eye lens may each preferably include a liquid crystal layer. This has been described in detail with reference to FIGS. 10 to 15.
- the right eye image may be realized by turning on the right eye lens 302
- the left eye image may be realized by turning on the left eye lens 301.
- 60 right eye frames R and 60 left eye frames L may be alternately implemented.
- the right eye lens 302 is turned on and the left eye lens 301 is turned off
- the left eye lens 301 is turned on and the right eye lens 302 is turned on.
- the right eye frame (R) and the left eye frame (L) may also be implemented in a method of implementing an image according to a total of 60 frames (60 ms method) in 1 second and a method of implementing an image according to a total of 240 frames (240 ms method) in 1 second. ) Can be placed alternately one by one.
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- Engineering & Computer Science (AREA)
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- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Optical Filters (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (20)
- 디스플레이 패널;상기 디스플레이 패널의 전면에 배치되는 필터; 및좌안 렌즈와 우안 렌즈를 포함하는 3D 안경;을 포함하고,상기 필터는기판; 및상기 기판에 배치되는 원편광층;을 포함하고,상기 좌안 렌즈 및 상기 우안 렌즈는 각각 원편광을 투과하며, 입력되는 동기신호에 따라 온/오프(On/Off)되는 디스플레이 장치.
- 제 1 항에 있어서,상기 좌안 렌즈 및 상기 우안 렌즈는 각각 액정층을 포함하는 디스플레이 장치.
- 제 1 항에 있어서,상기 3D 안경으로 상기 동기신호를 공급하는 신호 전송부를 더 포함하는 디스플레이 장치.
- 액정 디스플레이 패널; 및좌안 렌즈와 우안 렌즈를 포함하는 3D 안경;을 포함하고,상기 액정 디스플레이 패널은제 1 전극이 배치되는 제 1 기판;제 2 전극이 배치되는 제 2 기판;상기 제 1 기판과 상기 제 2 기판 사이에 배치되는 액정층;상기 제 1 기판에 배치되는 제 1 선편광층;상기 제 1 선편광층과 인접하게 배치되는 원편광층; 및상기 제 2 기판에 배치되는 제 2 선편광층;을 포함하는 액정 디스플레이 장치.
- 제 4 항에 있어서,상기 좌안 렌즈 및 상기 우안 렌즈는 각각 원편광을 투과하며, 입력되는 동기신호에 따라 온/오프(on/Off)되는 액정 디스플레이 장치.
- 제 5 항에 있어서,상기 좌안 렌즈 및 상기 우안 렌즈는 각각 액정층을 포함하는 액정 디스플레이 장치.
- 제 4 항에 있어서,상기 3D 안경으로 상기 동기신호를 공급하는 신호 전송부를 더 포함하는 액정 디스플레이 장치.
- 제 4 항에 있어서,상기 액정 디스플레이 패널의 전면에 배치되는 필터를 더 포함하고,상기 필터는 제 3 선편광층을 포함하는 액정 디스플레이 장치.
- 제 8 항에 있어서,상기 제 3 선편광층은 좌안 영상 선편광부분과 우측 영상 선편광부분을 포함하는 액정 디스플레이 장치.
- 제 9 항에 있어서,상기 좌안 영상 선편광부분 및 상기 우측 영상 선편광부분 중 어느 하나는 λ/2 위상 지연값을 갖고, 나머지 하나는 0 위상 지연값을 갖는 액정 디스플레이 장치.
- 제 8 항에 있어서,상기 좌안 렌즈와 상기 우안 렌즈는 편광렌즈인 액정 디스플레이 장치.
- 제 11 항에 있어서,상기 좌안 렌즈와 상기 우안 렌즈의 위상 지연값의 차이는 대략 λ/2인 액정 디스플레이 장치.
- 제 1 기판;제 2 기판; 및상기 제 1 기판과 상기 제 2 기판의 사이에 배치되는 액정층;을 포함하고,상기 액정층은 좌안 영상 부분과 우안 영상 부분을 포함하고,2D 모드에서 상기 좌안 영상 부분의 위상 지연값과 상기 우안 영상 부분의 위상 지연값은 실질적으로 동일하고,3D 모드에서 상기 좌안 영상 부분의 위상 지연값과 상기 우안 영상 부분의 위상 지연값은 서로 다른 필터.
- 제 13 항에 있어서,상기 제 1 기판에 배치되는 제 1 전극 및 상기 제 2 기판에 배치되는 제 2 전극을 더 포함하는 필터.
- 제 14 항에 있어서,상기 제 1 전극 및 상기 제 2 전극은 투명전극인 필터.
- 제 13 항에 있어서,상기 2D 모드에서 상기 좌안 영상 부분의 위상 지연값과 상기 우안 영상 부분의 위상 지연값은 0인 필터.
- 제 13 항에 있어서,상기 3D 모드에서 상기 좌안 영상 부분의 위상 지연값과 상기 우안 영상 부분의 위상 지연값의 차이는 대략 λ/2인 필터.
- 제 17 항에 있어서,상기 3D 모드에서 상기 좌안 영상 부분의 위상 지연값 및 상기 우안 영상 부분의 위상 지연값 중 어느 하나는 대략 λ/4 이고, 나머지 하나는 대략 -λ/4인 필터.
- 제 17 항에 있어서,상기 3D 모드에서 상기 좌안 영상 부분의 위상 지연값 및 상기 우안 영상 부분의 위상 지연값 중 어느 하나는 대략 λ/2 이고, 나머지 하나는 대략 0인 필터.
- 제 14 항에 있어서,상기 2D 모드 및 상기 3D 모드는 상기 제 1 전극 및/또는 상기 제 2 전극에 공급되는 구동신호에 따라 변경되는 필터.
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CN2010800176278A CN102414602A (zh) | 2009-03-17 | 2010-03-17 | 滤光器、显示装置和液晶显示装置 |
US13/256,738 US20120008054A1 (en) | 2009-03-17 | 2010-03-17 | Filter, display apparatus and liquid crystal display apparatus |
EP10753697A EP2410375A2 (en) | 2009-03-17 | 2010-03-17 | Filter, display device and a liquid-crystal display device |
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KR10-2009-0022570 | 2009-03-17 | ||
KR1020090022570A KR101580184B1 (ko) | 2009-03-17 | 2009-03-17 | 입체 영상 필터 및 그를 포함하는 디스플레이 장치 |
US21805809P | 2009-06-17 | 2009-06-17 | |
US61/218,058 | 2009-06-17 |
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PCT/KR2010/001651 WO2010107248A2 (ko) | 2009-03-17 | 2010-03-17 | 디스플레이 필터 및 디스플레이 장치 |
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EP (1) | EP2410375A2 (ko) |
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CN102654676A (zh) * | 2011-08-25 | 2012-09-05 | 京东方科技集团股份有限公司 | 一种显示器 |
CN103064193A (zh) * | 2011-10-21 | 2013-04-24 | 乐金显示有限公司 | 立体图像显示器 |
CN104536220A (zh) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | 一种显示装置及其控制方法、专用眼镜和显示系统 |
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KR20150092412A (ko) * | 2014-02-04 | 2015-08-13 | 삼성디스플레이 주식회사 | 입체영상 표시장치와 그 구동방법 |
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CN102540550A (zh) * | 2010-12-23 | 2012-07-04 | 京东方科技集团股份有限公司 | 显示装置及其控制方法、显示控制装置 |
CN102540550B (zh) * | 2010-12-23 | 2015-08-19 | 京东方科技集团股份有限公司 | 显示装置及其控制方法、显示控制装置 |
US9398285B2 (en) | 2011-05-04 | 2016-07-19 | Scott Andrew Campbell | Methods and apparatus for producing and capturing three dimensional images |
CN102654676A (zh) * | 2011-08-25 | 2012-09-05 | 京东方科技集团股份有限公司 | 一种显示器 |
CN103064193A (zh) * | 2011-10-21 | 2013-04-24 | 乐金显示有限公司 | 立体图像显示器 |
CN104536220A (zh) * | 2015-01-27 | 2015-04-22 | 京东方科技集团股份有限公司 | 一种显示装置及其控制方法、专用眼镜和显示系统 |
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Also Published As
Publication number | Publication date |
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US20120008054A1 (en) | 2012-01-12 |
WO2010107247A3 (ko) | 2010-12-09 |
CN102414602A (zh) | 2012-04-11 |
WO2010107248A2 (ko) | 2010-09-23 |
KR20100104266A (ko) | 2010-09-29 |
EP2410375A2 (en) | 2012-01-25 |
WO2010107248A3 (ko) | 2010-12-09 |
KR101580184B1 (ko) | 2015-12-24 |
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