WO2011159028A2 - 터치 패널 디스플레이 장치 - Google Patents
터치 패널 디스플레이 장치 Download PDFInfo
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- WO2011159028A2 WO2011159028A2 PCT/KR2011/003595 KR2011003595W WO2011159028A2 WO 2011159028 A2 WO2011159028 A2 WO 2011159028A2 KR 2011003595 W KR2011003595 W KR 2011003595W WO 2011159028 A2 WO2011159028 A2 WO 2011159028A2
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- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
Definitions
- the present invention relates to a display apparatus having a touch panel, and more particularly, to a touch panel display apparatus capable of improving visibility.
- Portable information processing devices such as a portable computer, a portable transmission device, a portable telephone, and the like perform text and graphic processing using various input devices such as a keyboard, a mouse, and a digitizer.
- a touch panel has been used as an input device that is simple, has less misoperation, can be input by anyone while carrying it, and can input characters without other input devices.
- the technical problem to be achieved by the present invention is to reduce the visibility of the device screen due to the sunlight and the illumination light in the room in a portable device (mobile phone, PMP, etc.) including a touch panel to reduce the reflectance and increase the transmittance.
- the present invention provides a touch panel display device that can be prevented.
- a display panel As a first aspect for achieving the above technical problem, the present invention, a display panel; A first substrate, a first transparent conductive layer having a first pattern positioned on the first substrate, and an index matching layer disposed between the first substrate and the first transparent conductive layer, and on the display panel. Located first film layer; A second substrate, a second transparent conductive layer disposed on the second substrate, the second transparent conductive layer having a second pattern, and an index matching layer positioned between the second substrate and the second transparent conductive layer, and on the first film layer. A second film layer positioned at the; And a touch window positioned on the second film layer, wherein the index matching layer includes a reflectance between the first substrate and the first transparent conductive layer and a distance between the second substrate and the second transparent conductive layer. At least one of the reflectances is characterized by being 1% or less.
- a display panel As a second aspect for achieving the above technical problem, the present invention, a display panel; A first substrate, a first transparent conductive layer having a first pattern positioned on the first substrate, and an index matching layer disposed between the first substrate and the first transparent conductive layer, and on the display panel. Located first film layer; A second substrate, a second transparent conductive layer disposed on the second substrate, the second transparent conductive layer having a second pattern, and an index matching layer positioned between the second substrate and the second transparent conductive layer, and on the first film layer.
- a second film layer positioned at the; A touch window positioned on the second film layer; A first polarization converting part positioned between the first transparent conductive layer and the display panel to convert light passing through the first circularly polarized state into a first circularly polarized state; And a second polarization converting part positioned between the second transparent conductive layer and the touch window to make the light passing through the first circularly polarized state.
- the present invention has the following effects.
- the reflectance of the display device can be reduced and the transmittance can be improved, and the effect of the reduction of power consumption and the improvement of visibility due to this action can be achieved when the touch screen is applied to a portable device such as a mobile phone or a PMP. Can be maximized.
- the capacity of the battery in a portable device has a limit, and as more functions such as a camera are recently implemented in a portable device such as a mobile phone, the power consumption is inevitably increased. Can be.
- FIG. 1 is a cross-sectional view showing a first embodiment of the present invention.
- FIG. 2 is a schematic diagram showing reflection in a film layer.
- 3 and 4 are cross-sectional views showing details of the film layer.
- 5 and 6 are schematic views showing the action according to the first embodiment.
- FIG. 7 is a cross-sectional view showing a second embodiment of the present invention.
- FIG. 8 is a sectional view showing a third embodiment of the present invention.
- FIG. 9 is a sectional view showing a fourth embodiment of the present invention.
- FIG. 10 is a schematic diagram showing a measurement environment of bright room contrast.
- first, second, etc. may be used to describe various elements, components, regions, layers, and / or regions, such elements, components, regions, layers, and / or regions It will be understood that it should not be limited by these terms.
- the touch panel display device includes a first film layer 410, a second film layer 420, and a touch window 350 on the display panel 100. Can be.
- This embodiment represents a capacitive touch panel display device, and the third film layer 430 may be further disposed between the display panel 100 and the first film layer 410.
- the first film layer 410, the second film layer 420, and the third film layer 430 are transparent to the first substrate 220, the second substrate 230, and the third substrate 371, respectively.
- Conductive layers 311, 312, and 313 are included.
- the transparent conductive layers 311, 312, and 313 may be made of a transparent conductive oxide film such as indium tin oxide (ITO).
- the two conductive layers 311 and 312 included in the first film layer 410 and the second film layer 420 among the transparent conductive layers 311, 312, and 313 cross each other to form a lattice ( grid) pattern.
- the transparent conductive layer includes a first transparent conductive layer 311 including a plurality of lines in the first axis (x axis) direction parallel to each other, and a second axis (y axis) parallel to each other and perpendicular to the first axis. And a second transparent conductive layer 312 including a plurality of lines in the direction (x-axis, y-axis directions may be interchanged), and serve as a ground under the first transparent conductive layer 311.
- the third transparent conductive layer 313 may be located.
- the capacitive touch panel display device detects a touch by using capacitance coupling in the state of applying an alternating voltage, and detects the grid patterns of the first and second transparent conductive layers 311 and 312. Position can be detected.
- the first polarization converting unit 201 and the second polarization converting unit 202 may be located therein, and the first polarization converting unit 201 may transmit light emitted from the display panel 100 to the first polarization. The light is converted into a state, and the light is then converted into a polarization state such as the first polarization while passing through the second polarization conversion unit 202.
- the first polarization converter 201 may convert light emitted from the display panel 100 into first circularly polarized light.
- the first polarization converter 201 emits light from the display panel 100.
- the light may be converted into a right circularly polarized light or a left circularly polarized light.
- the first linear polarizing unit 210 included in or positioned on the display panel 100 and the first linear polarizing unit 210 located on the first linear polarizing unit 210 are provided. It may be made of a quarter wave plate 220.
- an example of the second polarization converting unit 202 includes a second quarter wave plate 230 positioned on the first polarization converting unit 201 and a second quarter wave plate 230.
- the second linear polarizer 240 may be positioned.
- the first quarter wave plate 220 is used as the first substrate of the first film layer 410, and the second quarter wave is used as the second substrate of the second film layer 420.
- the plate 230 is used and an isotropic transparent film 371 is used as the third substrate of the third film layer 430.
- first quarter wave plate 220 and the second quarter wave plate 230 forming the first linear polarizer 210 and the second linear polarizer 220 may be used as the substrate of each film layer.
- an isotropic transparent film 371 may be used as the substrate.
- a liquid crystal display panel (LCD) 100 may be used, and the liquid crystal display panel 100 has the upper polarizer 210 positioned on the liquid crystal cell 110.
- the upper polarizer 210 may function as the first linear polarizer 210 described above.
- the display panel 100 it is obvious that a plasma display panel (PDP), an organic light emitting diode panel (OLED), and other various display panels may be used in addition to the liquid crystal display panel.
- PDP plasma display panel
- OLED organic light emitting diode panel
- other various display panels may be used in addition to the liquid crystal display panel.
- a separate first linear polarizer may be provided.
- the lower polarizer 120 may be positioned in some cases below the liquid crystal cell 110, and the liquid crystal cell 110 may receive light necessary for display by the backlight unit 130.
- These structures may be located on the substrate 360, and a transparent adhesive layer 340 may be located between at least some of these layers.
- the structure disposed on the substrate 360 may maintain a predetermined distance from the display panel 100.
- a liquid crystal display panel may be used for the display panel 100, and in such a liquid crystal panel, the first linear polarizer 210 may be integrated with the liquid crystal cell 110, and the liquid crystal cell may be located.
- the linear polarizer 120 may also be provided below the 110.
- the ratio of the reflected light to the external light incident from the outside will be described below.
- about 4% of reflection may be made in the uppermost touch window 350, and the light passed thereafter is reflected by 0.1% in each of the three transparent conductive layers 311, 312, and 313, resulting in a total of about 0.3%.
- the reflected light may be emitted to the outside.
- the reflection of about 4% is made in the uppermost touch window 350, and the reflection is approximately 1.7% in the three transparent conductive layers 311, 312, and 313, and the lower side of the substrate 360 3.2% of reflection is generated on the upper surface of the display panel 100.
- a total reflection of about 8.9% may occur, and the reflected light is greatly reduced compared to a state in which the first polarization converting unit 201 and the second polarization converting unit 202 are not applied.
- At least one of the first film layer 410, the second film layer 420, and the third film layer 430 may be each of the substrates 220, 230, and 371 and the transparent conductive layers 311, 312, and 313. ) May further include an index matching layer 411.
- FIG. 2 illustrates an example of a detailed structure of the first film layer 410, and includes an index matching layer 411 on the top surface of the first substrate 220 on which the transparent conductive layer 311 is not located. Indicates.
- a first orthogonal to the first film layer 410 and the second film layer 420 is formed.
- Line patterns of the first transparent conductive layer 311 and the second transparent conductive layer 312 are formed.
- a difference in reflectance may occur due to a difference in refractive index between the transparent conductive layers 311 and 312 and the film coated on the substrates 220 and 230.
- interference may occur on the screen in the display using the touch screen, which may cause inconvenience to the user and deterioration of image quality.
- the difference in reflectance between the transparent conductive layers 311 and 312 and the film coated on the substrates 220 and 230 is 1% or less, the visibleness of the pattern disappears in the touch window 350.
- the index matching layer 411 may be provided to make it less than or equal to%.
- a material of the quarter wave plate 220 used as a substrate a TAC film or a cyclo olefin polymer (COP) -based material (transmittance; 92% to 91%) may be used. Since the material of the quarter wave plate 220 is soft as B to HB in consideration of the pencil hardness, as shown in FIG. 3, an additional double-sided hard coating layer (412) for enhancing durability of the touch window 350. This may be necessary.
- COP cyclo olefin polymer
- UV acrylic
- the refractive index of the hard coating layer 412 is different from that of the ITO film by 0.5 to 0.6, the optical transmittance may be reduced to about 80%. Therefore, in order to increase transmittance, an index matching layer 411 having a thickness of several tens nm is provided on the hard coating layer 412 in the same manner as coating.
- the method of coating may use a vacuum sputtering or slit die method.
- the index matching layer 411 may be configured as a single layer as shown in FIG. 3, and the refractive index may be 1.4 to 1.6.
- a high refractive index layer 413 (about 1.95 refractive index) and a low refractive index layer 414 (about 1.45 refractive index) can be used together.
- the refractive index of the high refractive index layer 413 is 1.9 to 2.0 and the refractive index of the low refractive index layer 414 is advantageously 1.4 to 1.6.
- the high refractive index layer 413 and the low refractive index layer 414 may be alternately arranged in two layers, four layers, or more (not shown).
- the high refractive index layer 413 and the low refractive index layer 414 may be obtained by stacking various materials to obtain a desired refractive index.
- the high refractive index layer 413 may be formed of three materials of TiO x / ITO / In 2 O 3 .
- the low refractive index layer 414 may be configured by combining two materials, SiO x / SiO 2 .
- the substrate and the transparent conductive layer may be more effective to configure the index matching layer 411 in multiple layers.
- first polarization converting unit 201 and the second polarization converting unit may be positioned on the substrate 360, and a predetermined distance may be located between the substrate 360 and the display panel 100. Alternatively, they may be transparently attached to each other to form an integrated body.
- Reflected light between the substrate 360 and the display panel 100 or by the touch window 350 and other layers may be generated by the action of the first and second polarization converters 201 and / or 202. It is absorbed without being emitted to the outside and the reflectance can be greatly reduced. The process will be described with reference to FIGS. 5 and 6 as follows.
- the light transmitted through the upper second linear polarizer 240 (L1) is linearly polarized and passes through the second quarter wave plate 230 (M1), and then is circularly polarized light clockwise (or counterclockwise). After the change, surface reflection is made in each of the transparent conductive layers 311, 312, and 313.
- the polarization direction is changed into a circularly polarized light in a counterclockwise (or clockwise) direction by the surface reflection, and at least some of the light reflected to the outside is second quarter wave plate 230;
- the direction of the linearly polarized light is changed to be absorbed by the second linear polarization layer 240 (L1) of the uppermost layer, thereby reflecting 0%. That is, reflection is hardly made.
- the light emitted from the panel 100 maximizes the transmittance in consideration of the first linear polarizer 210 included in the panel 100. There are two possible cases to obtain the structure.
- the first linear polarization unit 210 (L2) of the first polarization conversion unit 201 and the second linear polarization unit 240 (L1) of the second polarization conversion unit 202 are configured to be parallel to each other.
- the first linear polarizer 210 (L2) and the second linear polarizer 240 (L1) may be configured to be orthogonal to each other.
- the first polarization converting unit 201 for converting the light passing through the first circularly polarized state and the second polarized light for positioning the light passing through the touch panel unit 300 in the same first circularly polarized state When the converter 202 is configured, the light emitted from the display panel 100 may be emitted to the outside with a small loss rate. That is, the transmittance can be maximized.
- the first quarter wave plate 220 (M2) included in the second polarization converting unit 202 and the first polarization converting unit 201 can greatly reduce the reflectance of external light.
- the first polarization converting unit 201 since the second polarization converting unit 202 functions to convert the light passing through into the circularly polarized light, the first polarization converting unit 201 also converts the light passing through the circularly polarized light in the same direction. It is advantageous to.
- the first polarization converting unit 201 and the second polarization converting unit 201 have the same polarization state, when having such a configuration, the light emitted from the display panel 100 is in a state in which loss is minimized. It can be emitted to the outside.
- the first quarter wave plate 200 of the first polarization converting unit 201 may have a function of improving the transmittance of light emitted from the panel 100 while reducing the reflectance of external light.
- FIG. 7 illustrates an embodiment in which the transparent conductive layers 311, 312, and 313 are provided in the isotropic transparent films 371 as the film layers 410, 420, and 430, respectively.
- the two transparent conductive layers 311 and 312 belonging to the first film layer and the second film layer are combined with each other to form a grid in a horizontal and vertical direction.
- Each of the film layers 410, 420, and 430 may have a hard coating layer 412 (see FIGS. 3 and 4) and an index matching layer 411 (see FIGS. 2 through 4) as in the above-described embodiment.
- the specific example may be the same as in the previously described embodiment.
- the first polarization converting unit 201 and the second polarization converting unit 202 are positioned above the display panel 100 as in the previous embodiment.
- the structure including the first polarization conversion unit 201 and the second polarization conversion unit 202 may be located on the cover film 350, these structures may be located on the substrate 360
- the transparent adhesive layer 340 may be positioned between at least some of the layers.
- the structure disposed on the substrate 360 may maintain a predetermined distance from the display panel 100.
- a liquid crystal display panel may be used for the display panel 100, and in such a liquid crystal panel, the first linear polarizer 210 may be integrated with the liquid crystal cell 110, and the liquid crystal cell may be located.
- the linear polarizer 120 may also be provided below the 110.
- the display panel 100 it is obvious that a plasma display panel (PDP), an organic light emitting diode panel (OLED), and other various display panels other than the liquid crystal display panel may be used. Do.
- PDP plasma display panel
- OLED organic light emitting diode panel
- the ratio of the reflected light to the external light incident from the outside will be described below.
- the reflection may be made in the top cover film 350, and the light passed thereafter is reflected by 0.1% in each of the three transparent conductive layers 311, 312, and 313, resulting in a total of about 0.3%.
- the reflected light may be emitted to the outside.
- a total reflection of about 7.5% may occur, and the reflected light is greatly reduced compared to a state in which the first polarization converting unit 201 and the second polarization converting unit 202 are not applied.
- the reflected light in the state where the first polarization converting unit 201 and the second polarization converting unit 202 are not applied reaches approximately 18%.
- FIGS. 8 and 9 illustrate embodiments in which the structures corresponding to FIGS. 1 and 7 described above are integrally implemented.
- a structure including the first polarization converting unit 201 and the second polarization converting unit 202 is positioned on the substrate 360, and the substrate 360 is disposed on the display panel 100 and the transparent adhesive layer 340.
- the structure is attached and integrated.
- Other structures are the same as those of FIGS. 1 and 7 described above, respectively.
- the reflected light in the structure as shown in FIG. 9 may be ignored in the lower side of the substrate 360 and the upper side of the display panel 100, the reflection of about 4% in the cover film 350 of the uppermost layer is reflected. And the total reflection of 0.3% of the three transparent conductive layers 311, 312, and 313 by 0.3% may be emitted to the outside.
- the effect of maximizing the transmittance through which light emitted from the display panel 100 is transmitted to the outside is the same as the above-described exemplary embodiment.
- the effect of reducing the reflectance, reducing power consumption and improving visibility by improving transmittance may be maximized when a touch screen is applied to a portable device such as a mobile phone or a PMP.
- the capacity of the battery is limited, and as more functions such as a camera are recently implemented in a portable device such as a mobile phone, power consumption is inevitably increased, but the battery according to the present embodiment is applied. The use time can be greatly increased.
- Equation 1 one standard is called the CIE 145 standard, which is defined as in Equation 1.
- L W is the luminance value of full screen white
- L K is the black value in the dark room.
- the L W value is measured as 506.3 nit and the L K value as 90.73 nit, thereby providing a clear room contrast value. Shows a significant increase to 0.774.
- NIST FPDM NIST FPDM
- the clear room contrast C represents a contrast value when the ambient light is E0
- the ⁇ W and ⁇ K values are the same as in Equations 3 and 4, respectively.
- L h and L d represent the luminance of white and black of the display device FPD, and E h and E d represent the illuminance values at this time, respectively.
- the clear-contrast value of the sphere is located on the display device FPD, and a light source is located on one side of the sphere, and on the surface of the sphere (Measuring Port). The measured value is shown.
- L h and L d represent the luminance of white and black of the display device FPD measured on the surface of the sphere, respectively.
- E h is kL wh and E d is kL wd , where L wh and L wd represent the luminance of white and black measured on the wall side of the sphere, respectively.
- the L W value is 506.3 nit and the L K value is 90.73 nit.
- the value of C) is significantly increased to 5.58.
- the present invention greatly improves the degree of character and graphic recognition of a mobile phone display in an external light environment. That is, by applying the structure of the present invention, the brightness of the display panel is maintained at the same level as before, and by reducing the reflection of external light to 8% or less, it is possible to obtain the effect of improving visibility by 4.6 times or more than 5.5 times.
- the reflectance of the display device can be reduced and the transmittance can be improved, and the effect of the reduction of power consumption and the improvement of visibility due to this action can be achieved when the touch screen is applied to a portable device such as a mobile phone or a PMP. Can be maximized.
- the degree of character and graphic recognition of a mobile phone display in an external light environment may be greatly improved. That is, by applying the structure of the present invention, the brightness of the display panel may be maintained at the same level as before, and the visibility of the external light may be reduced to 8% or less, thereby improving visibility by 4.6 to 5.5 times or more.
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Claims (25)
- 디스플레이 패널;제1기재, 상기 제1기재 상에 위치하는 제1패턴을 가지는 제1 투명 전도성층, 및 상기 제1기재와 제1 투명 전도성층 사이에 위치하는 인덱스 매칭층을 포함하며, 상기 디스플레이 패널 상에 위치하는 제1필름층;제2기재, 상기 제2기재 상에 위치하고 제2패턴을 가지는 제2 투명 전도성층, 및 상기 제2기재와 제2 투명 전도성층 사이에 위치하는 인덱스 매칭층을 포함하며, 상기 제1필름층 상에 위치하는 제2필름층; 및상기 제2필름층 상에 위치하는 터치 윈도우를 포함하여 구성되고,상기 인덱스 매칭층은, 상기 제1기재와 제1 투명 전도성층 사이의 반사율 및 상기 제2기재와 제2 투명 전도성층 사이의 반사율 중 적어도 어느 하나가 1 % 이하가 되도록 하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 제1 투명 전도성층과 상기 디스플레이 패널 사이에는 통과하는 빛을 제1 원편광 상태로 변환시키는 제1 편광 변환부를 더 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 2항에 있어서, 상기 제1 편광 변환부는,제1 선형편광판; 및상기 제1 선형편광판 상에 위치하는 제1 1/4 파장판을 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 3항에 있어서, 상기 제1 기재는 상기 제1 1/4 파장판인 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 제2 투명 전도성층과 상기 터치 윈도우 사이에는, 통과하는 빛을 제1 원편광 상태로 만드는 제2 편광 변환부를 더 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 5항에 있어서, 상기 제2 편광 변환부는,제2 1/4 파장판; 및상기 제2 1/4 파장판 상에 위치하는 제2 선형편광판을 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 6항에 있어서, 상기 제2 기재는 상기 제2 1/4 파장판인 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 제1 기재 및 제2 기재 중 적어도 어느 하나는 등방성 투명필름인 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 디스플레이 패널은 액정셀을 포함하는 액정 디스플레이 패널인 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 제1기재 및 제2기재의 적어도 어느 일면에는 하드코팅층이 더 구비되는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 인덱스 매칭층은 고굴절층 및 저굴절층을 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 11항에 있어서, 상기 고굴절층과 저굴절층은, 복수개로 번갈아 위치하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 1항에 있어서, 상기 디스플레이 패널과 상기 제1필름층 사이에는, 제3기재와, 제3 투명 전도성층을 포함하는 제3필름층을 더 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 디스플레이 패널;제1기재, 상기 제1기재 상에 위치하는 제1패턴을 가지는 제1 투명 전도성층, 및 상기 제1기재와 제1 투명 전도성층 사이에 위치하는 인덱스 매칭층을 포함하며, 상기 디스플레이 패널 상에 위치하는 제1필름층;제2기재, 상기 제2기재 상에 위치하고 제2패턴을 가지는 제2 투명 전도성층, 및 상기 제2기재와 제2 투명 전도성층 사이에 위치하는 인덱스 매칭층을 포함하며, 상기 제1필름층 상에 위치하는 제2필름층;상기 제2필름층 상에 위치하는 터치 윈도우;상기 제1 투명 전도성층과 상기 디스플레이 패널 사이에 위치하여 통과하는 빛을 제1 원편광 상태로 변환시키는 제1 편광 변환부; 및상기 제2 투명 전도성층과 상기 터치 윈도우 사이에 위치하여 통과하는 빛을 상기 제1 원편광 상태로 만드는 제2 편광 변환부를 포함하여 구성되는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 제2 선형 편광판의 광축은 상기 제1 선형 편광판의 광축과 동일한 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 15항에 있어서, 상기 제2 1/4파장판은 상기 제1 1/4파장판과 90 도의 위상차를 가지는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 제2 선형 편광판의 광축은 상기 제1 선형 편광판의 광축과 직교하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 17항에 있어서, 상기 제2 1/4파장판은 상기 제1 1/4파장판과 동일한 위상을 가지는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 인덱스 매칭층은, 상기 제1기재와 제1 투명 전도성층 사이 및 상기 제2기재와 제2 투명 전도성층 사이의 굴절률 차이를 보상해주는 기능을 갖는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 인덱스 매칭층은, 상기 제1기재와 제1 투명 전도성층 사이의 반사율 및 상기 제2기재와 제2 투명 전도성층 사이의 반사율 중 적어도 어느 하나가 1 % 이하가 되도록 하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 디스플레이 패널은 액정셀을 포함하는 액정 디스플레이 패널인 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 제1기재 및 제2기재의 적어도 어느 일면에는 하드코팅층이 더 구비되는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 인덱스 매칭층은 고굴절층 및 저굴절층을 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 23항에 있어서, 상기 고굴절층과 저굴절층은, 복수개로 번갈아 위치하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
- 제 14항에 있어서, 상기 디스플레이 패널과 상기 제1필름층 사이에는, 제3기재와, 제3 투명 전도성층을 포함하는 제3필름층을 더 포함하는 것을 특징으로 하는 터치 패널 디스플레이 장치.
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US13/508,298 US9134859B2 (en) | 2010-06-14 | 2011-05-16 | Touch panel display device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2799959A4 (en) * | 2011-12-28 | 2015-08-05 | Nissha Printing | CAPACITIVE TYPE TOUCH SENSOR WITH OPTICAL FUNCTION |
EP2631748A3 (en) * | 2012-02-23 | 2016-02-10 | Samsung Electronics Co., Ltd | Touch panel having improved visibility and method of manufacturing the same |
US9996201B2 (en) | 2012-02-23 | 2018-06-12 | Samsung Electronics Co., Ltd. | Touch panel having improved visibility and method of manufacturing the same |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101424657B1 (ko) * | 2012-05-07 | 2014-07-31 | (주)듀링 | 윈도우렌즈 일체형 터치패널 |
JP6056583B2 (ja) * | 2013-03-21 | 2017-01-11 | 大日本印刷株式会社 | タッチパネルセンサおよびタッチパネル装置 |
CN104423674B (zh) * | 2013-09-10 | 2017-09-12 | 宸鸿科技(厦门)有限公司 | 触控面板及其制作方法 |
KR102112219B1 (ko) * | 2013-10-11 | 2020-06-05 | 삼성디스플레이 주식회사 | 표시 패널, 표시 패널을 구비하는 표시 장치 및 표시 패널을 구비하는 표시 장치의 제조 방법 |
CN106030479B (zh) | 2014-02-21 | 2019-04-19 | 株式会社Lg化学 | 电子板 |
WO2015126178A1 (ko) * | 2014-02-21 | 2015-08-27 | 주식회사 엘지화학 | 전자 칠판 |
US20150279320A1 (en) * | 2014-03-26 | 2015-10-01 | Nike, Inc. | Subtractive Color Change System and Method |
KR102452606B1 (ko) | 2017-09-19 | 2022-10-07 | 삼성전자주식회사 | 모아레 시인 방지용 패턴 구조체 및 이를 이용한 디스플레이 장치 |
KR20220007825A (ko) * | 2020-07-10 | 2022-01-19 | 삼성디스플레이 주식회사 | 디지타이저 및 표시 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003308736A (ja) * | 2002-02-15 | 2003-10-31 | Eastman Kodak Co | 透明多層体、タッチスクリーン及び表示装置 |
KR20060133331A (ko) * | 2005-06-20 | 2006-12-26 | 삼성전자주식회사 | 위상 지연판을 포함한 액정 표시 장치 및 그 제조 방법 |
KR100727796B1 (ko) * | 1999-08-31 | 2007-06-14 | 데이진 가부시키가이샤 | 투명 전기 전도성 적층체 및 이를 사용하는 터치 패널 |
KR20100043938A (ko) * | 2008-10-21 | 2010-04-29 | 삼성전자주식회사 | 와이어 그리드를 이용한 편광 터치 스크린 패널 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3098926B2 (ja) | 1995-03-17 | 2000-10-16 | 株式会社日立製作所 | 反射防止膜 |
JP3854392B2 (ja) * | 1996-11-11 | 2006-12-06 | 同和鉱業株式会社 | 光学的フィルター |
US7663607B2 (en) * | 2004-05-06 | 2010-02-16 | Apple Inc. | Multipoint touchscreen |
WO1999066391A1 (fr) | 1998-06-18 | 1999-12-23 | Kaneka Corporation | Ecran tactile transparent et affichage a cristaux liquides avec ecran tactile transparent |
US6933991B2 (en) * | 1999-01-22 | 2005-08-23 | White Electronic Designs Corp. | Super bright low reflectance liquid crystal display |
US8068186B2 (en) | 2003-10-15 | 2011-11-29 | 3M Innovative Properties Company | Patterned conductor touch screen having improved optics |
EP2330491A3 (en) * | 2006-06-09 | 2011-08-31 | Apple Inc. | Touch screen liquid crystal display |
JP4997591B2 (ja) | 2007-03-30 | 2012-08-08 | Nltテクノロジー株式会社 | タッチパネル付き液晶表示装置及び端末装置 |
TWI402728B (zh) * | 2009-02-24 | 2013-07-21 | Wintek Corp | 觸控面板及觸控式顯示面板 |
-
2010
- 2010-06-14 KR KR1020100055927A patent/KR101706946B1/ko active IP Right Grant
-
2011
- 2011-05-16 WO PCT/KR2011/003595 patent/WO2011159028A2/ko active Application Filing
- 2011-05-16 DE DE112011101994.7T patent/DE112011101994B4/de active Active
- 2011-05-16 US US13/508,298 patent/US9134859B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100727796B1 (ko) * | 1999-08-31 | 2007-06-14 | 데이진 가부시키가이샤 | 투명 전기 전도성 적층체 및 이를 사용하는 터치 패널 |
JP2003308736A (ja) * | 2002-02-15 | 2003-10-31 | Eastman Kodak Co | 透明多層体、タッチスクリーン及び表示装置 |
KR20060133331A (ko) * | 2005-06-20 | 2006-12-26 | 삼성전자주식회사 | 위상 지연판을 포함한 액정 표시 장치 및 그 제조 방법 |
KR20100043938A (ko) * | 2008-10-21 | 2010-04-29 | 삼성전자주식회사 | 와이어 그리드를 이용한 편광 터치 스크린 패널 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2799959A4 (en) * | 2011-12-28 | 2015-08-05 | Nissha Printing | CAPACITIVE TYPE TOUCH SENSOR WITH OPTICAL FUNCTION |
US9128578B2 (en) | 2011-12-28 | 2015-09-08 | Nissha Printing Co., Ltd. | Capacitive type touch sensor with optical functionality |
EP2631748A3 (en) * | 2012-02-23 | 2016-02-10 | Samsung Electronics Co., Ltd | Touch panel having improved visibility and method of manufacturing the same |
US9949397B2 (en) | 2012-02-23 | 2018-04-17 | Samsung Electronics Co., Ltd. | Touch panel having improved visibility and method of manufacturing the same |
US9996201B2 (en) | 2012-02-23 | 2018-06-12 | Samsung Electronics Co., Ltd. | Touch panel having improved visibility and method of manufacturing the same |
US10474303B2 (en) | 2012-02-23 | 2019-11-12 | Samsung Electronics Co., Ltd. | Touch panel having improved visibility and method of manufacturing the same |
Also Published As
Publication number | Publication date |
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KR20110136123A (ko) | 2011-12-21 |
DE112011101994B4 (de) | 2022-09-08 |
WO2011159028A3 (ko) | 2012-02-09 |
KR101706946B1 (ko) | 2017-02-15 |
DE112011101994T5 (de) | 2013-05-16 |
US9134859B2 (en) | 2015-09-15 |
US20120223905A1 (en) | 2012-09-06 |
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