WO2009131400A2 - 표시장치 및 입력장치 - Google Patents
표시장치 및 입력장치 Download PDFInfo
- Publication number
- WO2009131400A2 WO2009131400A2 PCT/KR2009/002141 KR2009002141W WO2009131400A2 WO 2009131400 A2 WO2009131400 A2 WO 2009131400A2 KR 2009002141 W KR2009002141 W KR 2009002141W WO 2009131400 A2 WO2009131400 A2 WO 2009131400A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- touch panel
- panel
- liquid crystal
- sensors
- pressure
- Prior art date
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G06F3/04142—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0055—Reflecting element, sheet or layer
Definitions
- Embodiments relate to a display device and an input device.
- flat panel display devices such as LCD, AMOLED and PDP are widely used.
- GUI graphic user interface
- the touch screen may adopt various methods such as a resistive film method, a capacitive method, an optical sensor method, an ultrasonic method, an electromagnetic method, a vector force method, and the like.
- Embodiments provide a display device and an input device in which a signal such as a touch is easily input to a screen, improved image quality, and strong physical impact.
- a display device in one embodiment, includes a touch panel; A display panel in close contact with the touch panel; And a plurality of sensors disposed under the touch panel to sense pressure applied to the touch panel.
- the display device further includes a frame accommodating the display panel, and the sensors are interposed between the touch panel and the frame.
- the display device further includes a cushion member interposed between the display panel and the mold frame and having elasticity.
- the display device further includes a pressure transfer part extending from the touch panel to transfer the pressure to the sensors.
- the height of the pressure transmitting part may be greater than the thickness of the display panel.
- the pressure may be applied to the sensors through the display panel.
- the display device may further include a cushion member interposed between the sensors and the display panel.
- a display device includes a touch panel; A display module in close contact with the touch panel; A case accommodating the display module; And a plurality of sensors for sensing a pressure applied to the touch panel.
- the display device may further include an elastic member interposed between the case and the display module.
- the case may include: an outer frame disposed outside the touch panel and the display module; A first support part extending from the outer frame to form a step with the outer frame and supporting the sensors; And a second support part extending from the first support part and disposed below the display module and spaced apart from the display module.
- the sensors are interposed between the display module and the case, the pressure may be transmitted to the sensors through the display module.
- An input device includes a transparent window; A display panel integrally disposed with the window below the window; And a plurality of sensors disposed under the window to sense pressure applied to the window.
- the sensors may be disposed around the display panel.
- the sensors may be disposed under the display panel.
- the input device may further include a transparent resin interposed between the window and the display panel and in close contact with the window and the display panel.
- the display device includes a touch panel and a display panel which are in close contact with each other.
- an adhesive layer including a resin or the like is interposed between the touch panel and the display panel to closely contact the touch panel and the display panel.
- the air layer does not exist between the touch panel and the display panel, and the display device according to the embodiment may prevent luminance deterioration and image quality distortion caused by the air layer, and implement an improved image quality.
- the adhesive layer may have elasticity, and the display panel may be prevented from being damaged by the pressure applied through the touch panel.
- the touch panel and the display panel are integrated and flow by external pressure such as a touch or the like, and accordingly, the pressure by the touch or the like is transmitted to the sensors.
- the sensors may sense the pressure and calculate a position at which a signal such as a touch is input.
- the display device is an input device that can easily receive a signal input from the outside.
- the cushion member is provided on the display panel to mitigate an impact applied to the display panel.
- the display device according to the embodiment is resistant to external physical shocks.
- FIG. 1 is an exploded perspective view showing a liquid crystal display device according to a first embodiment.
- FIG. 2 is a perspective view illustrating the back and the pressure transmitting unit of the touch panel.
- FIG 3 is a plan view illustrating a liquid crystal display device according to a first embodiment.
- FIG. 4 is a cross-sectional view taken along the line A-A 'of FIG. 3.
- FIG. 5 is a cross-sectional view illustrating a cross section of the liquid crystal display according to the second embodiment.
- FIG. 6 is an exploded perspective view illustrating a liquid crystal display according to a third embodiment.
- FIG. 7 is a plan view illustrating a liquid crystal display according to a third embodiment.
- FIG. 8 is a cross-sectional view illustrating a cross section taken along the line BB ′ in FIG. 7.
- FIG. 9 is a plan view illustrating a liquid crystal display according to a fourth embodiment.
- FIG. 10 is a cross-sectional view illustrating a cross section taken along line C ′ of FIG. 9.
- each panel, member, portion, layer, substrate, or electrode is formed on or under the "on” of each panel, member, portion, layer, substrate, or electrode, or the like.
- “on” and “under” include both “directly” or “indirectly” formed.
- the criteria for the top or bottom of each component will be described with reference to the drawings. The size of each component in the drawings may be exaggerated for description, and does not mean a size that is actually applied.
- FIG. 1 is an exploded perspective view showing a liquid crystal display device according to a first embodiment.
- 2 is a perspective view illustrating the back and the pressure transmitting unit of the touch panel.
- 3 is a plan view illustrating a liquid crystal display device according to a first embodiment.
- 4 is a cross-sectional view taken along the line A-A 'of FIG. 3.
- the liquid crystal display includes a mold frame 110, a backlight assembly 120, a liquid crystal panel 130, an adhesive layer 210, a cushion member 140, pressure sensors 200, and a touch.
- the panel 300 and the pressure transmitter 310 are included.
- the mold frame 110 connects the backlight assembly 120, the liquid crystal panel 130, the cushion member 140, the pressure sensor 200, the touch panel 300, and the pressure transmitter 310. Accept.
- Examples of the material that may be used as the mold frame 110 may include plastic, and the mold frame 110 may include an outer frame 111 and a support part 112.
- the outer frame 111 is disposed on side surfaces of the backlight assembly 120 and the liquid crystal panel 130.
- the outer frame 111 includes four sidewalls formed integrally and has a rectangular frame shape.
- the support part 112 forms a step with the outer frame 111 and extends from an inner side surface of the outer frame 111.
- the support part 112 is integrally formed with the outer frame 111 and supports the touch panel 300.
- the backlight assembly 120 is disposed inside the support part 112.
- the backlight assembly 120 generates light and emits the light toward the liquid crystal panel 130.
- the backlight assembly 120 includes a reflective sheet 121, a light guide plate 122, a light emitting diode 123, and an optical sheet 125.
- the reflective sheet 121 reflects light generated from the light emitting diode 123 upwards.
- the light guide plate 122 is disposed on the reflective sheet 121.
- the light guide plate 122 receives light emitted from the light emitting diode 123 and exits upward.
- the light emitting diodes 123 are mounted on the flexible circuit board and disposed on side surfaces of the light guide plate 122.
- the light emitting diode 123 emits light toward the light guide plate 122.
- the optical sheet 125 is disposed on the light guide plate 122 and improves characteristics of light passing through the optical sheet 125.
- the optical sheet 125 may be a diffusion sheet or a prism sheet.
- the polarizing sheet may be in close contact with the liquid crystal panel 130.
- the liquid crystal panel 130 includes a TFT substrate, a color filter substrate, a liquid crystal layer interposed between the two substrates, and polarizing sheets in close contact with an upper surface of the TFT substrate and a lower surface of the color filter substrate.
- the liquid crystal panel 130 is disposed on the backlight assembly 120.
- the liquid crystal panel 130 is disposed on the support part 112.
- the liquid crystal panel 130 displays an image by adjusting the intensity of light passing through each pixel.
- the liquid crystal panel 130 is in close contact with the touch panel 300.
- the liquid crystal panel 130 is in close contact with the lower surface of the touch panel 300 by the adhesive layer 210. That is, the liquid crystal panel 130 is integrated with the touch panel 300. Accordingly, the liquid crystal panel 130 may flow together with the touch panel 300.
- the adhesive layer 210 is a transparent resin.
- the adhesive layer 210 is interposed between the liquid crystal panel 130 and the touch panel 300.
- the adhesive layer 210 is in close contact with the upper surface of the liquid crystal panel 130 and in close contact with the bottom surface of the touch panel 300.
- the adhesive layer 210 may have a refractive index corresponding to the touch panel 300. In addition, the adhesive layer 210 prevents the liquid crystal panel 130 and the touch panel 300 from directly contacting each other.
- the adhesive layer 210 has elasticity. Accordingly, the adhesive layer 210 may absorb the impact applied from the touch panel 300 and protect the liquid crystal panel 130.
- thermosetting resin As an example of the material used for the said adhesive layer, a photocurable resin, a thermosetting resin, a thermoplastic resin, etc. are mentioned.
- the cushion member 140 is interposed between the liquid crystal panel 130 and the support part 112.
- the cushion member 140 has elasticity and prevents the support part 112 and the liquid crystal panel 130 from colliding with each other.
- the cushion member 140 may be a tape or nonwoven fabric having elasticity.
- the cushion member 140 attaches the liquid crystal panel 130 to the mold frame 110.
- liquid crystal panel 130 and the touch panel 300 may be attached to the mold frame 110 by the cushion member 140, and at the same time, may flow relatively to the mold frame 110. have.
- the pressure sensors 200 are disposed on the support part 112. In addition, the pressure sensors 200 are disposed below the touch panel 300.
- the pressure sensors 200 are interposed between the pressure transmitting part 310 and the support part 112.
- the pressure sensors 200 receive and apply the pressure applied to the touch panel 300 by the pressure transmitter 310.
- the pressure sensors 200 are disposed around the liquid crystal panel 130. That is, the pressure sensors 200 are disposed below the touch panel 300 and are disposed in an edge region of the touch panel 300.
- the pressure sensors 200 may be, for example, piezoelectric elements, load cells, or capacitors. That is, the piezoelectric element generates a current by the pressure applied from the outside, and the load cell changes the resistance value by the pressure. In addition, the capacitance of the capacitor is changed by the pressure.
- This current, resistance and capacitance are measured, and the pressure sensors 200 can sense the pressure.
- the display device further includes a circuit board connected to the pressure sensors 200 and transmitting a signal output from the pressure sensors 200 to a system.
- the touch panel 300 is disposed inside the outer frame 111 and is disposed on the liquid crystal panel 130. In addition, the touch panel 300 is disposed on the pressure sensors 200.
- the touch panel 300 is in close contact with the liquid crystal panel 130 by the adhesive layer 210.
- the touch panel 300 has a plate shape, and examples of materials that may be used as the touch panel 300 may include tempered plastic or glass.
- the touch panel 300 may be formed by combining or combining glass and reinforced plastic.
- the touch panel 300 may be a transparent window that is exposed to the outside and protects the liquid crystal panel 130.
- the pressure transmitter 310 is interposed between the touch panel 300 and the pressure sensor 200.
- the pressure transmitting part 310 extends downward from the touch panel 300.
- the pressure transmitting part 310 is integrally formed with the touch panel 300.
- the pressure transmitting unit 310 may be attached to or coupled to the touch panel 300.
- the pressure transmitter 310 transmits the pressure applied to the touch panel 300 to the pressure sensor 200.
- the thickness H1 of the pressure transmitting part 310 is greater than the thickness H2 of the liquid crystal panel 130. In more detail, the thickness H1 of the pressure transmitting part 310 is greater than the sum of the thickness H2 of the liquid crystal panel 130 and the thickness of the adhesive layer 210.
- the pressure transmitter 310 is disposed corresponding to the pressure sensors 200 and is disposed at an edge of the touch panel 300.
- the pressure transmitting part 310 has a rectangular frame shape.
- the pressure transmitting part 310 may protrude from the lower portion of the touch panel 300 and may be a plurality of protrusions corresponding to the pressure sensors 200.
- the touch panel 300 is supported by the support part 112, the pressure sensors 200, and the pressure transmitting part 310.
- the pressure sensors 200 sense the magnitudes of the applied pressure. In addition, by analyzing the magnitude of the pressure applied to each of the pressure sensors 200, it is possible to measure the position of the touch applied to the touch panel 300.
- the pressure sensors 200 convert the magnitudes of the pressure into electrical signals and transmit them to the system through the circuit board. At this time, the system calculates the ratio of each signal, and measures the position where the signal such as touch is input based on a pre-input algorithm.
- a touch signal is applied to the center of the touch panel 300
- the same pressure is applied to all the pressure sensors 200. That is, the same pressure is sensed by the pressure sensors 200, and the touch signal is input to the center of the touch panel 300.
- the liquid crystal panel 130 is protected by the adhesive layer 210 and the cushion member 140.
- a gap is formed between the optical sheet 125 and the liquid crystal panel 130, even if a touch signal is applied to the touch panel 300, the liquid crystal panel 130 and the backlight assembly ( The liquid crystal panel 130 is not damaged by the collision with the 120.
- the gap GAP is a space that the liquid crystal panel 130 can avoid when the liquid crystal panel 130 and the touch panel 200 are integrated and flow.
- the liquid crystal panel 130 is in close contact with the touch panel 300, and the touch panel 300 is supported by the support part 112.
- the thickness H1 of the pressure transmitting part 310 is greater than the thickness H2 of the liquid crystal panel 130.
- the support part 112 and the liquid crystal panel 130 apply very small pressures to each other, and the liquid crystal panel 130 is not damaged by the pressure.
- liquid crystal panel 130 and the backlight assembly 120 hardly collide with each other, thereby preventing damage to the liquid crystal panel 130.
- liquid crystal panel 130 is in close contact with the touch panel 300 by the adhesive layer 210, there is no air layer between the liquid crystal panel 130 and the touch panel 300.
- the image emitted from the liquid crystal panel 130 may be prevented from being refracted by the air layer.
- the liquid crystal display according to the embodiment has a more improved image quality.
- FIG. 5 is a cross-sectional view illustrating a cross section of the liquid crystal display according to the second embodiment.
- the cushion member and the pressure sensors will be further described. Except the modified part, the above-described embodiment may be combined with the description of the present embodiment.
- the pressure sensors 201 are disposed below the liquid crystal panel 130. In more detail, the pressure sensors 201 are interposed between the liquid crystal panel 130 and the mold frame 110. In more detail, the pressure sensors 201 are disposed on the support part 112. In addition, the pressure sensors 201 are disposed around the backlight assembly 120.
- the cushion member 141 is disposed below the liquid crystal panel 130.
- the cushion member 141 may have a closed loop shape when viewed in plan, and may surround the backlight assembly 120.
- the cushion member 141 is interposed between the liquid crystal panel 130 and the mold frame 110. In addition, the cushion member 141 is interposed between the liquid crystal panel 130 and the pressure sensors 201. In more detail, the cushion member 141 surrounds the pressure sensors 201. That is, the cushion member 141 may be disposed on the top and side surfaces of the pressure sensors 201.
- the pressure applied to the touch panel 301 is applied to the pressure sensors 201 through the liquid crystal panel 130.
- the pressure applied to the touch panel 301 is applied to the pressure sensors 201 through the liquid crystal panel 130 and the cushion member 141.
- the cushion member 141 may sense a signal such as a touch without damaging the liquid crystal panel 130 without the pressure transmitter described above.
- the liquid crystal display according to the embodiment is resistant to external physical impact.
- the liquid crystal display according to the embodiment includes a touch panel 301 having a simple structure, and thus may be easily formed.
- FIG. 6 is an exploded perspective view illustrating a liquid crystal display according to a third embodiment.
- 7 is a plan view illustrating a liquid crystal display according to a third embodiment.
- FIG. 8 is a cross-sectional view illustrating a cross section taken along line BB ′ in FIG. 7. Except for the modified part, the description of the foregoing embodiments may be combined with the description of the present embodiment.
- the liquid crystal display includes a case 400, a liquid crystal display module 500, an adhesive layer 610, a cushion member 600, pressure sensors 700, and a touch panel 800. do.
- the case 400 accommodates the liquid crystal display module 500, the cushion member 600, the pressure sensors 700, and the touch panel 800.
- the case 400 includes an outer frame 410, a first support part 420, and a second support part 430.
- the outer frame 410 is disposed on side surfaces of the liquid crystal display module 500 and the touch panel 800 and has a rectangular frame shape.
- the first support part 420 extends from an inner side surface of the outer frame 410 and forms a step with the outer frame 410.
- the first support part 420 is disposed on the side surface of the liquid crystal display module 500 and is disposed below the touch panel 800.
- the first support part 420 is integrally formed with the outer frame 410.
- the second support part 430 extends from the lower side of the inner side of the first support part 420.
- the second support part 430 is integrally formed with the first support part 420.
- the second support part 430 is disposed under the liquid crystal display module 500.
- the liquid crystal display module 500 is disposed inside the first support part 420.
- the liquid crystal display module 500 includes a mold frame 510, a backlight assembly 520, and a liquid crystal panel 530.
- the mold frame 510 accommodates the backlight assembly 520 and the liquid crystal panel 530.
- the backlight assembly 520 emits light toward the liquid crystal panel 530, and includes a reflective sheet 521, a light guide plate 522, a light emitting diode 523, and an optical sheet 525.
- the liquid crystal panel 530 is disposed on the backlight assembly 520 and is disposed inside the mold frame 510.
- the liquid crystal display module 500 is in close contact with the touch panel 800.
- the liquid crystal display module 500 is in close contact with the touch panel 800 by the adhesive layer 610.
- the adhesive layer 610 is interposed between the touch panel 800 and the liquid crystal display module 500 to be in close contact with the bottom surface of the touch panel 800.
- the upper surface of the liquid crystal panel 530 and the upper surface of the mold frame 510 is in close contact.
- the cushion member 600 is interposed between the case 400 and the liquid crystal display module 500.
- the cushion member 600 is interposed between the second support portion 430 and the liquid crystal display module 500.
- the cushion member 600 absorbs the shock applied to each other between the case 400 and the liquid crystal display module 500.
- the pressure sensors 700 are disposed on the first support part 420. That is, the pressure sensors 700 are disposed around the liquid crystal display module 500.
- the pressure sensors 700 are disposed below the touch panel 800, and are disposed at an edge of the touch panel 800.
- the touch panel 800 is disposed inside the outer frame 410 and is disposed on the pressure sensor 700.
- the touch panel 800 is supported by the first support part 420 and the pressure sensor 700.
- the touch panel 800 has a plate shape, and examples of materials that may be used as the touch panel 800 may include glass or plastic.
- the position at which the touch signal is input may be analyzed by the pressure sensors 700.
- the touch panel 800 may be a transparent window that is exposed to the outside and protects the liquid crystal display module 500 from an external impact.
- liquid crystal display module 500 is integrally in close contact with the touch panel 800, the liquid crystal panel 530 and the mold frame 510 may be integrally flowed. Accordingly, breakage caused by the collision between the liquid crystal panel 530 and the mold frame 510 may be reduced.
- liquid crystal panel 530 and the backlight assembly 520 may be integrally flowed, and the liquid crystal panel 530 may be damaged by the collision of the liquid crystal panel 530 and the backlight assembly 520. You can prevent it.
- a signal such as a touch may be input, the image quality may be improved, and damage due to external pressure may be reduced.
- FIG. 9 is a plan view illustrating a liquid crystal display according to a fourth embodiment.
- FIG. 10 is a cross-sectional view illustrating a cross section taken along line C ′ of FIG. 9. Except for the modified part, the description of the foregoing embodiments may be combined with the description of the present embodiment.
- the pressure sensors 710 are disposed under the liquid crystal display module 500. In more detail, the pressure sensors 710 are evenly disposed over the entire lower surface of the liquid crystal display module 500.
- the pressure sensors 710 are interposed between the liquid crystal display module 500 and the case 400.
- the pressure sensors 710 are disposed on the second support part 430. That is, the pressure sensors 710 are interposed between the liquid crystal display module 500 and the second support part 430.
- the first cushion member 601 may be interposed between the liquid crystal display module 500 and the case 400, and a plurality of grooves may be formed.
- the grooves may be through holes.
- the pressure sensors 710 may be disposed in grooves formed in the first cushion member 601, respectively. In addition, the pressure sensors 710 may be in direct contact with the liquid crystal display module 500 or may be in contact with the first cushion member 601.
- the first cushion member 601 may be attached to the liquid crystal display module 500 and the second support part 430.
- the second cushion member 602 is interposed between the touch panel 800 and the first support part 420.
- the second cushion member 602 may be attached to the touch panel 800 and the first support part 420.
- the pressure applied to the touch panel 800 is transmitted to the pressure sensors 710 through the liquid crystal display module 500.
- the pressure may be transmitted to the pressure sensors 710 through the liquid crystal display module 500 and the first cushion member 601.
- the pressure sensors 710 may be evenly disposed on the front of the screen on which a signal such as a touch is input.
- the display device can more accurately sense a signal input from the outside.
- the display device according to the embodiment can be used in the display field.
Abstract
Description
Claims (15)
- 터치패널;상기 터치패널의 아래에 밀착되는 표시패널; 및상기 터치패널 아래에 배치되어, 상기 터치패널에 인가되는 압력을 센싱하는 다수 개의 센서들을 포함하는 표시장치.
- 제 1 항에 있어서, 상기 표시패널을 수용하는 프레임을 포함하며, 상기 센서들은 상기 터치패널 및 상기 프레임 사이에 개재되는 표시장치.
- 제 2 항에 있어서, 상기 표시패널 및 상기 몰드프레임 사이에 개재되며, 탄성을 가지는 쿠션부재를 포함하는 표시장치.
- 제 1 항에 있어서, 상기 터치패널로부터 연장되어, 상기 센서들에 상기 압력을 전달하는 압력전달부를 포함하는 표시장치.
- 제 4 항에 있어서, 상기 압력전달부의 높이는 상기 표시패널의 두께보다 더 큰 표시장치.
- 제 1 항에 있어서, 상기 압력은 상기 표시패널을 통하여 상기 센서들에 인가되는 표시장치.
- 제 6 항에 있어서, 상기 센서들 및 상기 표시패널 사이에 개재되는 쿠션부재를 포함하는 표시장치.
- 터치패널;상기 터치패널에 밀착되는 표시모듈;상기 표시모듈을 수용하는 케이스; 및상기 터치패널에 인가되는 압력을 센싱하는 다수 개의 센서들을 포함하는 표시장치.
- 제 8 항에 있어서, 상기 케이스 및 상기 표시모듈 사이에 개재되는 탄성부재를 포함하는 표시장치.
- 제 8 항에 있어서, 상기 케이스는상기 터치패널 및 상기 표시모듈의 외측에 배치되는 외부프레임;상기 외부프레임으로부터 상기 외부프레임과 단차를 이루며 연장되고, 상기 센서들을 지지하는 제 1 서포트부; 및상기 제 1 서포트부로부터 연장되며, 상기 표시모듈의 아래에 배치되고, 상기 표시모듈과 이격되는 제 2 서포트부를 포함하는 표시장치.
- 제 8 항에 있어서, 상기 센서들은 상기 표시모듈 및 상기 케이스 사이에 개재되며, 상기 압력은 상기 표시모듈을 통하여 상기 센서들에 전달되는 표시장치.
- 투명한 윈도우;상기 윈도우 아래에 상기 윈도우와 일체로 배치되는 표시패널; 및상기 윈도우 아래에 배치되어, 상기 윈도우에 인가되는 압력을 센싱하는 다수 개의 센서들을 포함하는 입력장치.
- 제 12 항에 있어서, 상기 센서들은 상기 표시패널의 주위에 배치되는 입력장치.
- 제 12 항에 있어서, 상기 센서들은 상기 표시패널 아래에 배치되는 입력장치.
- 제 12 항에 있어서, 상기 윈도우 및 상기 표시패널 사이에 개재되고, 상기 윈도우 및 상기 표시패널에 밀착되는 투명한 레진을 포함하는 입력장치.
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CN200980114407.4A CN102016780B (zh) | 2008-04-23 | 2009-04-23 | 显示装置及输入装置 |
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KR1020080037821A KR20090112118A (ko) | 2008-04-23 | 2008-04-23 | 표시장치 |
KR10-2008-0037821 | 2008-04-23 |
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WO2009131400A2 true WO2009131400A2 (ko) | 2009-10-29 |
WO2009131400A3 WO2009131400A3 (ko) | 2010-02-11 |
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PCT/KR2009/002141 WO2009131400A2 (ko) | 2008-04-23 | 2009-04-23 | 표시장치 및 입력장치 |
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US (1) | US8988364B2 (ko) |
KR (1) | KR20090112118A (ko) |
CN (1) | CN102016780B (ko) |
WO (1) | WO2009131400A2 (ko) |
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Also Published As
Publication number | Publication date |
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US8988364B2 (en) | 2015-03-24 |
WO2009131400A3 (ko) | 2010-02-11 |
US20110037726A1 (en) | 2011-02-17 |
CN102016780A (zh) | 2011-04-13 |
CN102016780B (zh) | 2014-09-17 |
KR20090112118A (ko) | 2009-10-28 |
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