WO2014175550A1 - 광학 필름 및 포인팅 표시장치 - Google Patents
광학 필름 및 포인팅 표시장치 Download PDFInfo
- Publication number
- WO2014175550A1 WO2014175550A1 PCT/KR2014/002101 KR2014002101W WO2014175550A1 WO 2014175550 A1 WO2014175550 A1 WO 2014175550A1 KR 2014002101 W KR2014002101 W KR 2014002101W WO 2014175550 A1 WO2014175550 A1 WO 2014175550A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- infrared
- display device
- film
- upconversion
- pointing
- Prior art date
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7772—Halogenides
- C09K11/7773—Halogenides with alkali or alkaline earth metal
-
- 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
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0317—Detection arrangements using opto-electronic means in co-operation with a patterned surface, e.g. absolute position or relative movement detection for an optical mouse or pen positioned with respect to a coded surface
Definitions
- the present invention relates to a film including a material sensitive to infrared rays, a polarizing plate including the same, a liquid crystal display, and a pointing display device.
- a pointing device such as a mouse was used to point the display device at desired coordinates.
- the conventional pointing device is one of the computer input means, and inputs the corresponding selection menu by selecting the position of the pointer while moving the pointer on the screen of the computer monitor, such as a mouse used as an input means in a graphical user interface (GUI) environment.
- GUI graphical user interface
- pointing device examples include a ball mouse widely used in a desktop computer and a track ball used in a notebook computer.
- the basic principle of the ball mouse or track ball is similar. It rotates the ball by friction with an external object according to the movement of the user's hand, detects the vertical and horizontal movement of the ball, converts it into an electrical signal, and sends it to the computer. This is to control the position of the cursor displayed on the screen.
- Korean Patent Laid-Open Publication No. 2004-0014763 discloses a pointing device using a laser light source, a reflecting plate reflecting the same, and a camera system, but it is impossible to point a plurality of them simultaneously, and a separate camera and image for capturing the position of the light source are disclosed. Expensive equipment such as treatment programs were needed.
- a pointing display device capable of a plurality of simultaneous pointing and displaying a position on a display device that is easy to manufacture, and a film applicable to the pointing display device.
- An object of the present invention is an infrared sensitive material is coated on the front surface to indicate the location pointed by using the self-luminescence of the photochromic dye by infrared irradiation, easy to manufacture, a pointing display that can use a plurality of light sources To provide a device.
- the present invention provides a film comprising a material sensitive to infrared rays.
- the infrared-sensitive material is a two-photon absorption material, a second harmonic generation material, an upconversion material by excited state absorption. state absorption), upconversion by sensitised energy transfer, upconversion by cooperative luminescence, and upconversion by photon avalanche. There may be more than one.
- the upconversion by sensitised energy transfer includes NaYF 4 , BaY 2 F 8 , Y 2 doped with trivalent lanthanum-based ions and Yb 3+. O 3 , Gd 2 BaZnO 5 , La 2 BaZnO 5 , glass, and vitroceramic.
- the trivalent lanthanum-based ions may be at least one selected from Er 3+ , Tm 3+ , Ho 3+ and Pr 3+ .
- the infrared sensitive material may be NaYF 4 doped with Er 3+ or Tm 3+ and Yb 3+ .
- the present invention provides a polarizing plate comprising the film.
- the present invention provides a liquid crystal display device having an infrared reaction unit including the film attached to the front surface.
- the present invention includes an infrared reaction unit including the film; A liquid crystal display device having the infrared reaction unit attached to a front surface thereof; And an infrared light source capable of emitting infrared rays.
- the infrared reaction part may further include a base part, and the base part may be made of one or more materials selected from polyvinylacetate, polypropylene, triacetylcellulose, polyacrylic resin, and polyolefin resin.
- the wavelength of the infrared light may be 700 nm to 1600 nm and the intensity of the light may be 0.5 mW / mm 2 or more.
- the infrared reaction unit may further include an adhesive layer for attaching to the liquid crystal display.
- the present invention provides a pointing display device including the polarizing plate.
- the present invention provides a pointing display device including the liquid crystal display device.
- a film including a material sensitive to infrared rays of the present invention and a pointing display device using the same include a method of absorbing an infrared light source and emitting visible light by applying a coating liquid containing an infrared sensitive material and a coating agent on a substrate at a specific ratio.
- the position pointed by infrared rays can be displayed, manufacturing is easy, and it has the advantage that a plurality of pointers can be used.
- 1 shows a pointing display device according to an embodiment of the present invention (1: liquid crystal display, 2: infrared reaction unit, 3: infrared light source).
- the present invention relates to a film including a material sensitive to infrared rays, a polarizing plate including the same, a liquid crystal display device and a pointing display device using the same, wherein the film including the infrared sensitive material is coated with a material sensitive to infrared rays It may be a film.
- the film including the material sensitive to the infrared rays of the present invention makes it possible to recognize the position coordinates pointed at by changing the color by reversibly displaying the visible light by the infrared rays only at the position incident from the infrared light source.
- the color when the infrared light source is irradiated, the color is changed by absorbing infrared light and emitting visible light, but when the infrared light source is blocked, the color is returned to the first color, and may be changed from colorless to colored or colored to colored by infrared light.
- the material sensitive to the infrared rays of the present invention is a material that absorbs infrared rays and emits visible light, and means a material in which visible light reversibly emits by infrared rays only at the position where the infrared light source is incident.
- the infrared sensitive material includes two-photon absorption material, second harmonic generation material, upconversion by excited state absorption, and sensitive energy.
- the two-photon absorption material refers to a material that absorbs two photons at the same time, mesoionic compound, PSPI (trans-4- [p- (pyrrolidinyl) styryl] -N-methylpyridinium iodide, etc.) But it is not limited thereto.
- the second harmonic generation material refers to a material exhibiting a nonlinear optical phenomenon in which the energy of photons absorbed in the material is combined with a new photon that is doubled.
- the second harmonic generation may be a chalcone derivative or the like. no.
- the upconversion by excited state absorption may be Y 3 Al 5 O 12 , BaTiO 3 , ZrO 2 , Y 2 O 3 or ZBLAN doped with trivalent lanthanum-based ions. It is not.
- the upconversion by sensitised energy transfer includes NaYF 4 , BaY 2 F 8 , Y 2 O 3 , Gd 2 BaZnO 5 , La 2 doped with trivalent lanthanum-based ions and Yb 3+.
- BaZnO 5 glass, or vitroceramic, but is not limited thereto.
- the cooperative luminescence by cooperative luminescence may be LaF 3 : Pr 3+ , but is not limited thereto.
- the cooperative sensitisation by the cooperative response may be, but is not limited to, SrCl 2 , Cs 3 Tb 2 Br 9 , glass, or perfluorobutanesulfonate (PFBS) doped with Yb 3+ and Tb 3+ together. .
- PFBS perfluorobutanesulfonate
- the photon avalanche caused by the photon avalanche may be LaCl 3 , LiYF 4 , or YAlO 3 doped with trivalent lanthanum ions, but is not limited thereto.
- the trivalent lanthanum-based ions may be Er 3+ , Tm 3+ , Ho 3+ or Pr 3+ , but are not limited thereto.
- the material sensitive to infrared rays is NaYF 4 doped with Er 3+ or Tm 3+ .
- the film of the present invention may be coated with a coating liquid containing a material sensitive to infrared rays and a coating agent. It is preferably included 0.5 to 10% by weight of the infrared reaction material and 90 to 99.9% by weight of the coating agent based on the total weight of the coating liquid.
- the pointing visual recognition effect by the infrared light source is insignificant.
- the coating thickness of the coating liquid may be thickened to improve the slight effect, but if the coating thickness is thick, curling occurs during drying of the coating, which causes a difficulty in the manufacturing process.
- the transmittance is lowered and scattering property is increased by the infrared reaction material.
- the coating liquid containing the substance sensitive to infrared rays, and the coating agent is apply
- the coating liquid is applied with a thickness of 15 ⁇ m or more, curling occurs during drying, which is not preferable.
- the coating agent used in the present invention is a material that is blended in a specific ratio with a material sensitive to infrared rays and is applied to the substrate portion, but may be prepared by a method used in the art, but preferably may be prepared by the following method. 30-50 weight part of urethane acrylates, 15-20 weight part of pentaerythritol triacrylates, 30-50 weight part of methyl isobutyl ketones, 0.5-10 weight part of photoinitiators, 0.1-10 weight part of leveling agents using a stirrer , By using a filter made of PP material can be prepared by coating.
- Film of this invention is polyester-based resin, such as polyethylene terephthalate, polyethylene isophthalate, polyethylene naphthalate, polybutylene terephthalate; Cellulose resins such as diacetyl cellulose and triacetyl cellulose; Polycarbonate resins; Acrylic resins such as polymethyl (meth) acrylate and polyethyl (meth) acrylate; Styrene resins such as polystyrene and acrylonitrile-styrene copolymers; Polyolefin resins such as polyethylene, polypropylene, cycloolefin, or polyolefin having a norbornene structure, and an ethylene-propylene copolymer; Vinyl chloride-based resins; Amide resins such as nylon and aromatic polyamides; Imide resin; Polyether sulfone resin; Sulfone resins; Polyether ether ketone resins; Sulfided polyphenylene resins; Vinyl alcohol-based resin
- thermosetting resins such as a (meth) acrylic-type, a urethane type, an acryl urethane type, an epoxy type, a silicone type, or an ultraviolet curable resin.
- a (meth) acrylic-type such as a (meth) acrylic-type, a urethane type, an acryl urethane type, an epoxy type, a silicone type, or an ultraviolet curable resin.
- the present invention provides a liquid crystal display device having a polarizing plate including the film and an infrared reaction unit including the film attached to the front surface.
- the "pointing display device” is a device used for pointing and displaying arbitrary coordinates on the display device.
- the present invention includes an infrared reaction unit including a film including a material sensitive to infrared rays; A liquid crystal display device having the infrared reaction unit attached to a front surface thereof; And a pointing display device including an infrared light source capable of emitting infrared rays, the pointing display device including the polarizing plate, and a pointing display device including the liquid crystal display device.
- the infrared reaction unit recognizes the position coordinates pointed to by changing the color due to the visible light reversibly emitting itself by infrared rays only at the position incident from the infrared light source.
- the color when the infrared light source is irradiated, the color is changed by absorbing infrared light and emitting visible light, but when the infrared light source is blocked, the color is returned to the first color, and may be changed from colorless to colored or colored to colored by infrared light.
- the infrared reaction unit includes a film including a material sensitive to infrared rays, and the description of the material sensitive to infrared rays is the same as above.
- the infrared reaction unit may further include a base unit.
- the substrate portion may be made of one or more materials selected from the group consisting of polyvinylacetate, polypropylene, triacetylcellulose, polyacrylic resin, or polyolefin resin, and preferably, polyvinylacetate and triacetylcellulose.
- the present invention includes an infrared reaction unit on which a film containing a material sensitive to infrared rays is coated on one side or both sides on a base unit.
- the material sensitive to the infrared rays of the infrared reaction unit is applied to the entire surface of the base unit or dispersed in the base unit.
- the infrared light source is an energy source for self-luminescence of the infrared reactant, and it is preferable to use a pointing device having an infrared light source to provide infrared light to the infrared reaction part.
- the pointing device may be used as long as it is generally used in the art.
- the wavelength of the infrared light is 700 ⁇ 1600nm and the intensity of the light is preferably 0.5mW / mm 2 or more.
- the wavelength of the light is less than 700nm, there is a problem that the self-emitting of the infrared reaction material does not occur because it is a light source in the visible region, and if the wavelength exceeds 1600nm, the point of recognition of the point is not visible light There is a difficult problem. If the intensity of light is less than 0.5mW / mm 2, self-luminous is insignificant, which makes it difficult to recognize the position of the point.
- the infrared reaction unit may further include an adhesive layer for attaching to the liquid crystal display.
- the liquid crystal display may be used as long as it is generally used, and is preferably selected from a liquid crystal display (LCD), a light emitting diode (LED), an organic light emitting diode (OLED), and a plasma display (PDP).
- LCD liquid crystal display
- LED light emitting diode
- OLED organic light emitting diode
- PDP plasma display
- the adhesive layer may be used as long as it is generally used in the art, but preferably, an optically clear adhesive (OCA) is used.
- OCA optically clear adhesive
- a single or a plurality of infrared light sources can be irradiated to the infrared reaction unit attached to the liquid crystal display to simultaneously display the positions to be displayed.
- Example 1 transparent film production 1 comprising a material sensitive to infrared rays
- NaYF 4 nanoparticles doped with 17 mol% Yb 3+ and 3 mol% Er 3+ were prepared (see J. Phys. Chem. C vol 114, No 1, P610-616).
- CF 3 COONa 2.06 mmol, Y (CF 3 COO) 3 0.75 mmol, Yb (CF 3 COO) 3 0.16 mmol, Er (CF 3 COO) 3 0.03 mmol, oleic acid 60 mmol , And 60 mmol of 1-octadecene were added thereto.
- the solution was held at 120 ° C. for 30 minutes, then raised to 330 ° C. at a rate of 8 degrees per minute, and then cooled to room temperature.
- the cooled solution was added to an excess of acetone to precipitate nanoparticles, and then centrifuged to prepare infrared sensitive nanoparticles.
- urethane acrylate (Miwon Corporation, SC2153), 18.5 parts by weight pentaerythritol triacrylate (Miwon Corporation, M340), 40 parts by weight methyl isobutyl ketone (large purifying gold), 1 part by weight photoinitiator (Shiba Corporation, I -184), and 0.5 parts by weight leveling agent (BYK Chemi Co., BYK378) was combined using a stirrer and filtered using a filter made of PP material to prepare a coating agent.
- the coating liquid consisting of 97 parts by weight of the coating agent prepared in 2), and 3 parts by weight of nanoparticles prepared in 1) on one side of the substrate consisting of a triacetyl cellulose film having a thickness of 80 ⁇ m using a mayor bar, 30
- UV curing was performed at a light amount of 0.1 to 2 J / cm 2 to prepare a transparent film including a 5 ⁇ m infrared sensitive material.
- the Mayer bar was changed to prepare a transparent film including a 3 ⁇ m thick infrared sensitive material layer (coating solution).
- Example 3 Manufacturing a Transparent Film Comprising a Material Responding to Infrared Rays 3
- the Mayer bar was changed to prepare a transparent film including a 7 ⁇ m thick infrared sensitive material layer (coating solution).
- the transparent film including the infrared sensitive material was prepared in the same manner as in Example 1 except that the infrared sensitive material nanoparticles of Example 1 were prepared as follows.
- NaYF 4 nanoparticles doped with 25 mol% Yb 3+ and 0.3 mol Tm 3+ were prepared (see J. Phys. Chem. C vol 114, No 1, P610-616).
- Comparative Examples 1 to 3 Transparent film production in which the weight ratio of the material and coating agent sensitive to infrared rays
- the coating liquid was made of 99.9 parts by weight of the coating agent prepared in Examples 1 to 2, and 0.1 parts by weight of the nanoparticles prepared in 1) in the production of the transparent film of Example 1 to 3), In the same manner as in Examples 1 to 3 to prepare a transparent film containing an infrared sensitive material.
- Comparative Examples 4 to 6 Preparation of a transparent film in which the weight ratio of the substance sensitive to infrared rays and the coating agent were adjusted
- the coating liquid was made of 90 parts by weight of the coating agent prepared in Examples 1 and 2, and 12 parts by weight of the nanoparticles prepared in 1).
- the transparent film containing the infrared sensitive material was manufactured by the method similar to Examples 1-3.
- the transparent films prepared from Examples 1 to 23 and Comparative Examples 1 to 6 on one side of the iodine-dyed PVA polarizer, respectively, and the TAC film on the other side were attached with water-based adhesives.
- a polarizing film including 1 to 6 infrared reactants was prepared.
- the polarizing film (infrared reaction unit) prepared in Preparation Example 1 was attached to the front side of the liquid crystal display, thereby manufacturing a liquid crystal display including an infrared sensitive material.
- the position of the IR light source can be visualized by irradiating a liquid crystal display device of the above-described manufacturing method with a 980 nm IR laser pointer (manufacturer: Huanic Corporation, product name: ILP980-25-3). Judging by the same criteria.
- the transparent film comprising the infrared sensitive material prepared from the above examples and comparative examples was cut into a square of 10 cm * 10 cm and placed on a flat ground with the infrared sensitive material coated layer upwards, and then from the ground among the corners of the film. The height of the highest part of was measured.
- the transmittance and haze of the transparent film including the infrared sensitive material prepared from the above Examples and Comparative Examples were measured using a transmittance meter (Suga HZ-1).
- a film including a material sensitive to infrared rays of the present invention and a pointing display device using the same include a method of absorbing an infrared light source and emitting visible light by applying a coating liquid containing an infrared sensitive material and a coating agent on a substrate at a specific ratio.
- the position pointed by infrared rays can be displayed, manufacturing is easy, and it has the advantage that a plurality of pointers can be used.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (13)
- 적외선에 감응하는 물질을 포함하는 것을 특징으로 하는 필름.
- 청구항 1에 있어서, 상기 적외선에 감응하는 물질은 2광자 흡수 물질 (two-photon absorption), 제2고조파 발생 물질 (second harmonic generation), 들뜬 상태 흡수에 의한 업컨버젼 물질 (Upconversion by excited state absorption), 감응 에너지 전달에 의한 업컨버젼 물질 (Upconversion by sensitised energy transfer), 협동 발광에 의한 업컨버젼 물질(Upconversion by cooperative luminescence) 및 광자사태에 의한 업컨버젼 물질(Upconversion by photon avalanche)에서 선택되는 하나 이상인 것을 특징으로 하는 필름.
- 청구항 2에 있어서, 상기 감응 에너지 전달에 의한 업컨버젼 물질 (Upconversion by sensitised energy transfer)은, 3가 란탄계 이온과 Yb3+가 함께 도핑된 NaYF4, BaY2F8, Y2O3, Gd2BaZnO5, La2BaZnO5, 유리 및 비트로세라믹(vitroceramic)에서 선택되는 하나 이상인 것을 특징으로 하는 필름.
- 청구항 3에 있어서, 3가 란탄계 이온은 Er3+, Tm3+, Ho3+ 및 Pr3+에서 선택되는 하나 이상인 것을 특징으로 하는 필름.
- 청구항 1에 있어서, 상기 적외선에 감응하는 물질은 Er3+ 또는 Tm3+와 Yb3+가 함께 도핑된 NaYF4인 것을 특징으로 하는 필름.
- 청구항 1 내지 5 중 어느 한 항에 따른 필름을 포함하는 편광판.
- 청구항 1 내지 5 중 어느 한 항에 따른 필름을 포함하는 적외선 반응부가 전면에 부착되는 액정표시장치.
- 청구항 1 내지 5 중 어느 한 항에 따른 필름을 포함하는 적외선 반응부; 상기 적외선 반응부가 전면에 부착되는 액정표시장치; 및 적외선을 방사할 수 있는 적외선 광원을 포함하는 것을 특징으로 하는 포인팅 표시장치.
- 청구항 8에 있어서, 상기 적외선 반응부는 기재부를 더 포함하며 상기 기재부는 폴리비닐아세테이트, 폴리프로필렌, 트리아세틸셀룰로오스, 폴리아크릴수지 및 폴리올레핀수지에서 선택되는 하나 이상의 물질로 이루어진 것을 특징으로 하는 포인팅 표시장치.
- 청구항 8에 있어서, 상기 적외선의 빛의 파장은 700~1600nm이고 빛의 인텐시티는 0.5mW/mm2 이상인 것을 특징으로 하는 포인팅 표시장치.
- 청구항 8에 있어서, 상기 적외선 반응부는 액정표시장치에 부착시키기 위한 접착층을 더 포함하는 것을 특징으로 하는 포인팅 표시장치.
- 청구항 6에 따른 편광판을 포함하는 것을 특징으로 하는 포인팅 표시장치.
- 청구항 7에 따른 액정표시장치를 포함하는 것을 특징으로 하는 포인팅 표시장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016510605A JP2016520207A (ja) | 2013-04-25 | 2014-03-13 | 光学フィルムおよびポインティング表示装置 |
CN201480013706.XA CN105074628A (zh) | 2013-04-25 | 2014-03-13 | 光学薄膜以及指向显示设备 |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20130045941 | 2013-04-25 | ||
KR10-2013-0045941 | 2013-04-25 | ||
KR10-2013-0091406 | 2013-08-01 | ||
KR1020130091406A KR20140127717A (ko) | 2013-04-25 | 2013-08-01 | 광학 필름 및 포인팅 표시장치 |
KR1020130149015A KR20140127727A (ko) | 2013-04-25 | 2013-12-03 | 광학 필름 및 포인팅 표시장치 |
KR10-2013-0149015 | 2013-12-03 | ||
KR10-2014-0025479 | 2014-03-04 | ||
KR1020140025479A KR20140127745A (ko) | 2013-04-25 | 2014-03-04 | 광학 필름 및 포인팅 표시장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014175550A1 true WO2014175550A1 (ko) | 2014-10-30 |
Family
ID=51792077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/002101 WO2014175550A1 (ko) | 2013-04-25 | 2014-03-13 | 광학 필름 및 포인팅 표시장치 |
Country Status (2)
Country | Link |
---|---|
TW (1) | TWI631195B (ko) |
WO (1) | WO2014175550A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018048001A1 (ko) * | 2016-09-12 | 2018-03-15 | 한국생산기술연구원 | 적외선감응코드를 이용하는 스마트태그 인식시스템 및 이를 이용하는 인식방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006331243A (ja) * | 2005-05-30 | 2006-12-07 | Fujitsu Ltd | 座標入力装置 |
KR20080027321A (ko) * | 2008-03-07 | 2008-03-26 | 정준익 | 십자형 레이저 광과 수광소자를 이용한 원격 무선 포인팅 장치 |
JP2008209598A (ja) * | 2007-02-26 | 2008-09-11 | Dainippon Printing Co Ltd | 光学フィルム |
KR20090124431A (ko) * | 2008-05-30 | 2009-12-03 | 최아영 | 광변색성 필름 및 그 제조방법 |
KR101097992B1 (ko) * | 2009-11-05 | 2011-12-26 | 주식회사 스마트센스테크놀러지 | 지시물체의 위치인식장치 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5179229B2 (ja) * | 2008-03-11 | 2013-04-10 | 日東電工株式会社 | レーザーポインタ視認性向上フィルム、偏光板、画像表示装置およびレーザーポインタ表示方法 |
FR2956407B1 (fr) * | 2010-02-17 | 2013-03-08 | Saint Gobain | Composes luminescents |
JP2012068920A (ja) * | 2010-09-24 | 2012-04-05 | Panasonic Corp | 光ビームの照射座標位置検出システム |
-
2014
- 2014-03-13 WO PCT/KR2014/002101 patent/WO2014175550A1/ko active Application Filing
- 2014-04-23 TW TW103114676A patent/TWI631195B/zh active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006331243A (ja) * | 2005-05-30 | 2006-12-07 | Fujitsu Ltd | 座標入力装置 |
JP2008209598A (ja) * | 2007-02-26 | 2008-09-11 | Dainippon Printing Co Ltd | 光学フィルム |
KR20080027321A (ko) * | 2008-03-07 | 2008-03-26 | 정준익 | 십자형 레이저 광과 수광소자를 이용한 원격 무선 포인팅 장치 |
KR20090124431A (ko) * | 2008-05-30 | 2009-12-03 | 최아영 | 광변색성 필름 및 그 제조방법 |
KR101097992B1 (ko) * | 2009-11-05 | 2011-12-26 | 주식회사 스마트센스테크놀러지 | 지시물체의 위치인식장치 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018048001A1 (ko) * | 2016-09-12 | 2018-03-15 | 한국생산기술연구원 | 적외선감응코드를 이용하는 스마트태그 인식시스템 및 이를 이용하는 인식방법 |
Also Published As
Publication number | Publication date |
---|---|
TW201441320A (zh) | 2014-11-01 |
TWI631195B (zh) | 2018-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020204448A1 (en) | Display device including radiant heat blocking layer | |
WO2012064071A2 (ko) | 점착제 조성물 | |
WO2010120087A9 (ko) | 정보 보안기 및 그 제조방법 | |
WO2015080346A1 (ko) | 점착제 조성물, 이로부터 형성된 점착 필름 및 이를 포함하는 광학표시장치 | |
WO2015030413A1 (ko) | 광학 필름 | |
KR20140127745A (ko) | 광학 필름 및 포인팅 표시장치 | |
WO2017126883A1 (ko) | 편광판 및 이를 포함하는 광학 표시 장치 | |
WO2014204197A1 (en) | Transfer film, method for transferring the same and electronic device cross-reference to related applications | |
WO2018212528A1 (ko) | 편광판 및 이를 포함하는 광학표시장치 | |
WO2015030428A1 (ko) | 반사방지 광학 적층체 | |
WO2019146941A1 (ko) | 색변환 필름, 이를 포함하는 백라이트 유닛 및 디스플레이 장치 | |
WO2014175550A1 (ko) | 광학 필름 및 포인팅 표시장치 | |
WO2016010186A1 (ko) | 스마트 윈도우 시스템 | |
KR20140026287A (ko) | 포인팅 표시장치 | |
WO2011056026A2 (ko) | 백라이트 유닛 | |
WO2022270704A1 (ko) | 항균 코팅 조성 및 항균 나노입자를 포함하는 광학 필름 제조방법 | |
WO2016043521A1 (ko) | 점착제 조성물, 광학용 점착 필름 및 터치 스크린 패널 | |
WO2021066401A1 (ko) | 용융 압출식 편광필름 | |
WO2023008961A1 (ko) | 비산방지 열 차폐 시트 | |
WO2016085072A1 (ko) | 편광자 보호층 조성물, 이로부터 제조된 편광자 보호층, 이를 포함하는 편광판 및 이를 포함하는 광학표시장치 | |
WO2020171458A1 (ko) | 편광판의 제조 방법 | |
WO2018062631A1 (ko) | 반사방지 필름용 조성물, 이로부터 형성된 반사방지 필름, 이를 포함하는 편광판 및 이를 포함하는 광학표시장치 | |
WO2014030943A1 (ko) | 포인팅 표시장치 | |
WO2020091551A1 (ko) | 원편광판 | |
WO2020091552A1 (ko) | 원편광판 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201480013706.X Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14788805 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016510605 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14788805 Country of ref document: EP Kind code of ref document: A1 |