WO2013183849A1 - 반사형 디스플레이 및 이를 이용한 전자펜 시스템 - Google Patents
반사형 디스플레이 및 이를 이용한 전자펜 시스템 Download PDFInfo
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- WO2013183849A1 WO2013183849A1 PCT/KR2013/000880 KR2013000880W WO2013183849A1 WO 2013183849 A1 WO2013183849 A1 WO 2013183849A1 KR 2013000880 W KR2013000880 W KR 2013000880W WO 2013183849 A1 WO2013183849 A1 WO 2013183849A1
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- Prior art keywords
- reflective display
- electronic pen
- information
- mark
- gray scale
- Prior art date
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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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/02—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light
- G02B26/026—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the intensity of light based on the rotation of particles under the influence of an external field, e.g. gyricons, twisting ball displays
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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
- G06F3/0304—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
- G06F3/0321—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 by optically sensing the absolute position with respect to a regularly patterned surface forming a passive digitiser, e.g. pen optically detecting position indicative tags printed on a paper sheet
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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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03542—Light pens for emitting or receiving light
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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
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2007—Display of intermediate tones
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
Definitions
- the present invention relates to a reflective display and an electronic pen system, and more particularly , to a reflective display including an reflective display and an electronic pen system using the same.
- the electronic pen system is a new concept of the combination of analog and digital.
- the pen When you write letters on paper like a normal pen, the pen is stored in the pen's built-in memory and transferred to the computer in the form of an image file. It is a pen made to do it. Documents written with a normal pen can also be scanned with a scanner and saved in the form of an image file.However, documents written with an electronic pen do not require a scanning process and can be easily managed through a separate program. It is an advantage.
- Earlier developed electronic pens could only be used with a computer. In other words, to use the electronic pen, the computer had to be turned on all the time, and it was inconvenient to use it only near the computer. Moreover, when saving to a computer, it was difficult to see the contents accurately because the resolution of the image file was low.
- an information pattern including the position information of the surface is formed on the display surface so that it is difficult to judge from a human's perspective, and the position on the display can be determined by detecting the information pattern using an electronic pen having an optical sensor.
- the technology to make it is commercialized.
- a technology for detecting a touch position of the electronic pen using the infrared sensor mounted on the electronic pen and displaying graphic information on the detected position is disclosed in addition to the Patent Publication No. 10-2010-0134331.
- the published patent is for displaying graphic information by detecting position information on the transmissive display, and a separate infrared light source should be provided.
- the optical film in order for the electronic pen to recognize the mark on the optical film, the optical film must be made of a material capable of reflecting visible light, so when it is attached to the display, there is a problem that the overall image clarity and visibility are lowered. There is a disadvantage that a mark providing information should be implemented using a separate optical film.
- the technical problem to be achieved by the present invention is that it is possible to provide the location information using the pixels constituting the reflective display does not require a separate optical film, the graphic information on the reflective display according to the position information calculated from the mark
- the present invention provides an optical film and an electronic pen system using the same, which can be displayed or deleted, can reduce power consumption by using a reflective display using an external light source, and can be applied to various smart learning fields.
- an information pattern for providing position information is formed by using pixels constituting the reflective display, wherein the information pattern includes a reflection including virtual grid lines and marks.
- Type display
- the virtual grating may be formed inclined to the pixel array.
- the virtual grating may be formed at an angle of 45 degrees to the pixel array.
- the mark may absorb infrared light incident on the reflective display.
- the mark may be arranged on the imaginary grid through voltage regulation applied to each pixel.
- the gray scale of the pixel is adjusted according to the applied voltage, and the gray scale of the mark may be adjusted four to five levels darker than the gray scale of the pixel for displaying information on the reflective display.
- the gray scale of the mark can be automatically adjusted according to the gray scale of the surrounding pixels.
- the gray scale of the mark can be automatically adjusted four to five levels darker than the gray scale of the surrounding pixels.
- a reflective display According to another aspect of the invention, a reflective display; And an electronic pen that recognizes the information pattern and transmits a signal for displaying graphic information on the reflective display, wherein an information pattern for providing position information is formed using pixels constituting the reflective display.
- the information pattern provides an electronic pen system including a virtual grid line and a plurality of marks.
- the reflective display may be driven by any one of an electrophoretic method, a MEMS method, and an electrowetting method.
- the electronic pen may recognize the information pattern and transmit a signal for displaying or deleting graphic information on the reflective display.
- a first infrared sensor provided on one side of the electronic pen to recognize an information pattern for displaying the graphic information; And a second infrared sensor provided on the other side of the electronic pen to recognize an information pattern for deleting the graphic information.
- the optical film of the present invention and the electronic pen system using the same can provide position information using pixels constituting the reflective display, and thus do not require an additional device such as an optical film or a sensor.
- Graphic information can be displayed or deleted on a reflective display, and a reflective display using an external light source can reduce power consumption and be applied to various smart learning fields.
- FIG. 1 is a perspective view of a reflective display according to an embodiment of the present invention.
- FIG. 2 is a conceptual diagram of an operation of a reflective display according to an embodiment of the present invention.
- FIG. 3 is a schematic diagram of a reflective display according to an embodiment of the present invention.
- FIG. 4 is a conceptual diagram of a reflective display according to an embodiment of the present invention.
- FIG. 6 is a schematic diagram of an information pattern according to an embodiment of the present invention.
- FIG. 8 is a configuration diagram of an electronic pen system according to an embodiment of the present invention.
- FIG. 9 is a block diagram of an electronic pen system according to another embodiment of the present invention.
- FIG. 12 is another example of a screen configuration diagram of an electronic pen system according to an embodiment of the present invention.
- FIG. 13 is another example of a screen configuration diagram of an electronic pen system according to an embodiment of the present invention.
- ordinal numbers such as second and first
- first and second components may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
- second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component.
- the reflective display according to the present invention is an electronic device made to act as a paper and is used to encompass all display devices that can be freely written and erased by using a device such as a digital pen or an electronic pen on the display.
- FIG. 1 is a perspective view of a reflective display according to an embodiment of the present invention.
- an information pattern for providing location information is formed by using pixels constituting the reflective display 10 according to an embodiment of the present invention, and the information pattern is a virtual grid line 22. And a mark 21 can be configured.
- the reflective display may display information using an external light source without a separate light source.
- the display may be classified according to the utilization method of the light source.
- the transmissive display the light emitted from the backlight is transmitted to the front surface so that the information is displayed to the outside, whereas in the reflective display, since the external light source is reflected in the front direction from the display surface, the information may be displayed to the outside without the backlight unit.
- the reflective display may be driven by any one of an electrophoretic method, a micro-electro-mechanical system (MEMS), and an electrowetting method.
- MEMS micro-electro-mechanical system
- electrowetting method In the electrophoresis method, a black and white material in a spherical particle moves as electric electricity is applied, thereby displaying a black and white image.
- colors can be expressed by reflecting light using the principle that the red, blue, and green dye oils of each pixel spread or gather.
- the MEMS method introduces the principle that the sunlight is reflected by the reflective film to realize a variety of colors in the MEMS method.
- each pixel 20 is represented by black and white when voltage is applied or not. Is to use a combination of Referring to FIG. 2, if V P is an applied voltage, negatively charged ink particles move to the surface when a voltage higher than the applied voltage is applied, and the pixel 20 is displayed in black, and when the voltage below the applied voltage is applied, It moves downward and is displayed in white. In this way, text or images are displayed.
- each pixel 20 may be represented by a plurality of achromatic colors existing between black and white, which is called gray scale, and is referred to as gray scale. According to the number of achromatic colors existing in, it is divided into 8 levels of gray scale, 10 levels of gray scale, 16 levels of gray scale, ... n levels of gray scale, and the like.
- each pixel 20 may be displayed in a plurality of gray scales by different voltages applied to the pixels 20 arranged in a line.
- Each pixel 20 reflects or absorbs an external light source, and a pixel 20 close to white of gray scales reflects an external light source, and a pixel 20 close to black represents an external light source. By absorbing the character, it is possible to display characters or images on the display.
- the marks 21 are made closer to the black side than the pixels 20 for displaying information on the reflective display, such as letters or images, in gray scale.
- the mark 21 adjusts the gray scale so as to absorb infrared rays at an appropriate level.
- the infrared region may be divided into near infrared, mid-infrared, and far-infrared with approximately 700 to 10,000 nm, and the mark 21 may be formed to absorb the near infrared region having approximately 750 to 1300 nm.
- the mark 21 is in gray scale by adjusting the voltage so that it is displayed in four to five steps darker than the gray scale of the pixel 20 for displaying information on the reflective display. ) To be recognized.
- the electronic pen 30 adjusts the voltage so that the gray scale of the pixel 20 for displaying information on the reflective display is displayed in four to five steps brighter than the gray scale of the mark 21.
- gray scales of 4 to 5 levels must be maintained between the mark 21 and the surrounding pixels.
- the mark 21 or the surrounding pixels 20 This is accomplished by adjusting the voltage.
- the gray scale difference within the limit in which the electronic pen 30 can recognize the mark 21 is not within the scope of the object of the present invention, and the electronic pen 30 recognizes the mark. Changing the degree of gray scale difference is considered to be within the scope of the present invention.
- the mark 21 may allow the gray scale to be automatically adjusted according to the gray scale of the surrounding pixel 20.
- a background reflecting an external light source is required.
- the white background of the reflective display performs this.
- the infrared sensor of the electronic pen 30 does not recognize the mark 21 or the pixel (or image) displays the mark ( There may be a problem to recognize the same as 20). Therefore, the infrared sensor of the electronic pen 30 recognizes the mark 21 by making the gray scale of the mark 21 darker 4 to 5 steps darker than the surrounding pixel 20 or the pixel 20 displaying characters or images.
- the overall brightness of the reflective display can be improved by brightly forming the gray scale of the mark 21 in the gray series.
- the gray scale of each pixel of the reflective display can be controlled by an embedded MCU.
- FIG. 4 is a conceptual diagram of a reflective display according to an embodiment of the present invention.
- the surface of the reflective display 10 has a mark 21 for providing position information by using the pixels 20 constituting the reflective display.
- Each pixel may serve to reflect / absorb light according to the gray scale or to serve as a mark 21 providing position information.
- white pixels reflect light
- gray pixels absorb light to display graphic information on a reflective display.
- the black pixels are arranged to provide the positional information with a certain rule from the virtual grid 22 as the marks 21, and are not visible to the naked eye.
- FIG. 5 is an explanatory diagram of an information pattern according to an embodiment of the present invention
- FIG. 6 is a schematic diagram of an information pattern according to an embodiment of the present invention.
- an reflective pattern 10 is formed with an information pattern for providing location information using reflected light.
- the information pattern includes a virtual grid line 22 and a plurality of marks 21, and each mark 21 may be formed at regular intervals around an intersection point of the virtual grid line 22.
- Each mark 21 may provide position information by a mark value determined according to a position formed around an intersection of the virtual grid lines 22.
- the marks 21 may be formed at regular intervals around the intersections of the imaginary grid lines 22 and have respective mark values, and the mark values may be composed of at least two different numbers of combinations.
- the mark 21 may have various shapes such as a circle, an ellipse, a polygon, and a straight line, but it is preferable that one kind of mark 21 is used for one reflective display 10.
- the marks 21 may exist at four positions according to the relationship with the intersections of the virtual grid lines 22, and the marks 21 may be positioned at the right side of the intersections as a. If the mark value is "1”, if it is located at the top as b, if the mark value is "2", if it is located at the left as c, the mark value is "3" and if it is located at the bottom as d mark By representing the value as "4", the positional information can be provided according to the position of the mark 21 around the intersection point of the virtual grid line 22.
- each mark value may be represented by arbitrary coordinates in a manner that is separated into x and y coordinates, and the position information may be provided from a mark value represented by coordinates.
- the virtual grid lines 22 may be formed horizontally and vertically at regular intervals.
- the distance between the grating lines 22 may be formed to a size of 250 to 300 ⁇ m or more
- the mark 21 is a quarter or 1/8 of the center around the intersection of the virtual grating line 22 It may be formed at the point.
- the mark 21 may be formed in association with two or more marks 21 around the intersection point of the virtual grid line 22.
- the electronic pen 30 is, for example, in the infrared sensor
- the position information according to each mark value can be calculated and the absolute position on the reflective display 10 can be determined using the marks. .
- FIGS. 7A and 7B are explanatory diagrams of an information pattern according to another embodiment of the present invention.
- the imaginary grid line 22 of the information pattern implemented according to another embodiment of the present invention is inclined 45 degrees with the pixel array so that its intersection is formed on the vertex of the pixel, and the mark It can be seen that 21 is formed on the virtual grid line 22.
- the virtual grid lines 22 may be formed at intervals of 250 to 300 ⁇ m.
- the marks 21 may overlap with respect to the intersection point. .
- the marks 21 may be arranged so that the marks 21 do not overlap with each other. Patterns can also be implemented in reflective displays.
- the spacing between the grid lines may vary depending on the size of the pixel, and in FIG. 7B, the grid lines are formed at a narrow interval as the size of the pixel is larger than that of FIG. 7A.
- FIG. 8 is a block diagram of an electronic pen system according to an embodiment of the present invention.
- Another electronic pen system according to another embodiment of the present invention includes a reflective display 10 and an electronic pen 30 that recognizes an information pattern and transmits a signal for displaying graphic information on the reflective display 10.
- an information pattern for providing position information is formed, and the information pattern may include a virtual grid line 22 and a plurality of marks 21.
- the electronic pen 30 may be in the form of a general pen, and an infrared sensor may be provided at a portion where the nib is formed.
- the infrared sensor may recognize the mark 21 formed on the reflective display 10.
- the electronic pen 30 may obtain a mark value according to the mark 21 recognized by the infrared sensor and calculate a position in the optical film.
- the electronic pen 30 is, for example, in the infrared sensor When the 36 marks 21 are recognized six by six on the grid line 22 having a size, position information according to each mark value may be calculated to determine an absolute position on the reflective display 10.
- the electronic pen 30 transmits the calculated position information to the reflective display 10 in a wired or wireless communication manner, and the reflective display 10 displays graphic information along the trajectory of the position information transmitted from the electronic pen 30. Can be displayed externally.
- the electronic pen 30 and the reflective display 10 are connected by wire to transmit data using a serial communication method, or data communication using a short range wireless communication method of any one of Bluetooth, infrared communication, RF communication, and Zigbee communication. Can be performed.
- the electronic pen 30 has a built-in MCU (Micro Controll Unit) can interpret the position information according to the mark value, or if the electronic pen 30 recognizes the mark value and transmits it to the reflective display 10,
- the type display 10 may calculate the position information according to the mark value and display the graphic information accordingly.
- the electronic pen 30 may transmit data about the mark value to an external computer or a processor such as a smartphone, and the external processor interprets the position information according to the mark value to the electronic pen 30 or the reflective display 10. ) Can be sent.
- MCU Micro Controll Unit
- the electronic pen 30 may include a light source (not shown) capable of emitting infrared and visible light.
- the electronic pen 30 may recognize the marks 21 formed on the reflective display 10 by using infrared rays included in natural light, fluorescent light, and the like, but a sufficient amount of infrared rays are not provided to recognize the marks 21.
- the reflective display 10 may display information using the light emitted from the electronic pen 30 itself, and the electronic pen 30 may recognize the mark 21.
- the electronic pen 30 may include a function of deleting graphic information displayed on the reflective display using the electronic pen 30.
- the MCU of the electronic pen 30 may simultaneously transmit a record / delete flag while transmitting a mark value or position information of the mark 21 recognized by the infrared sensor according to an external input. This may be implemented by adding a 1-bit signal such as 0/1 to a mark value or position information represented by a digital signal, and the MCU of the reflective display 10 has corresponding position information when the received bit signal is 0. Graphic information may be displayed on the screen or when the received bit signal is 1, the graphic information displayed on the corresponding location information may be deleted.
- the electronic pen system recognizes a reflective display and an information pattern and displays graphic information on the reflective display 10.
- the electronic pen 30 transmits a signal for displaying a digital display device, and an information pattern for providing position information is formed on pixels constituting the reflective display, and information for displaying graphic information on one side of the electronic pen.
- a first infrared sensor for recognizing a pattern is provided, and a second infrared sensor for recognizing an information pattern for deleting graphic information is provided on the other side of the electronic pen.
- the first infrared sensor 31 may be provided at one side of the electronic pen 30, and the second infrared sensor 32 may be provided at the other side of the electronic pen 30. It may be provided at the end of the part and the second infrared sensor 32 may be provided at the opposite end of the nib.
- the mark value or position information detected by the first infrared sensor 31 may display graphic information on the corresponding position information by transmitting bit signal 0 together, and the mark value or position detected by the second infrared sensor 32.
- the information may be implemented to delete the graphic information displayed in the corresponding position information by transmitting the bit signal 1 together.
- the electronic pen 30 may have a built-in device capable of performing various functions such as a device, a microphone, and a speaker for other communication means, and operation may be controlled by an MCU built in the electronic pen 30. have.
- the nib portion of the electronic pen 30 may include ink to perform a general pen function, and may be used on a notebook, a board, an electronic blackboard, or the like using a reflective display on which an information pattern is formed.
- 10 to 12 are screen configuration diagrams of an electronic pen system according to an embodiment of the present invention.
- an electronic pen system is linked with an e-book system including a reflective display 10 to draw a memo or underline on information displayed on a screen. It can be used as. This can be used not only for e-books but also for terminal devices such as digital textbooks, electronic blackboards, and smart phones, which can be implemented as reflective displays.
- a database and a communication device to the device implemented by the above-described reflective display, it is possible to extract and store only the information displayed by the electronic pen 30 separately, and to transmit it to other terminal devices using a communication device. It is possible to implement.
- an electronic pen system may be implemented to be input in a touch screen manner according to a contact point of the electronic pen 30 in conjunction with an electronic book system including a reflective display.
- FIG. 12 is a screen configuration diagram of an electronic pen system according to another embodiment of the present invention.
- the reflective display 10 of the electronic pen system may perform a function such as a note and a diary.
- FIG. 15 only letters written using the electronic pen 30 are displayed on a blank screen, but horizontal or vertical lines may be provided to perform a writing function like a general note.
- FIG. 13 is a screen configuration diagram of an electronic pen system according to another embodiment of the present invention.
- the electronic pen system according to another embodiment of the present invention may be utilized in a manner of underlining a memo or underlining information displayed on a screen in conjunction with an e-book system including a reflective display 10.
- This may be used not only for e-books but also for terminal devices such as digital textbooks, electronic blackboards, and smart phones that may be implemented as reflective displays.
- terminal devices such as digital textbooks, electronic blackboards, and smart phones that may be implemented as reflective displays.
- a database and a communication device to the device implemented by the above-described reflective display, it is possible to extract and store only the information displayed by the electronic pen 30 separately, and to transmit it to other terminal devices using a communication device. It is possible to implement.
- ' ⁇ part' used in the present embodiment refers to software or a hardware component such as a field-programmable gate array (FPGA) or an ASIC, and ' ⁇ part' performs certain roles.
- ' ⁇ ' is not meant to be limited to software or hardware.
- ' ⁇ Portion' may be configured to be in an addressable storage medium or may be configured to play one or more processors.
- ' ⁇ ' means components such as software components, object-oriented software components, class components, and task components, and processes, functions, properties, procedures, and the like. Subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays, and variables.
- the functionality provided within the components and the 'parts' may be combined into a smaller number of components and the 'parts' or further separated into additional components and the 'parts'.
- the components and ' ⁇ ' may be implemented to play one or more CPUs in the device or secure multimedia card.
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- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Controls And Circuits For Display Device (AREA)
- Position Input By Displaying (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
Abstract
Description
Claims (12)
- 반사형 디스플레이에 있어서,상기 반사형 디스플레이를 구성하는 픽셀을 이용하여 위치 정보를 제공하기 위한 정보 패턴이 형성되어 있으며, 상기 정보 패턴은 가상의 격자선과 마크를 포함하는 반사형 디스플레이.
- 제 1 항에 있어서 상기 가상의 격자는 픽셀 어레이에 기울어져 형성되는 반사형 디스플레이.
- 제 1 항에 있어서, 상기 가상의 격자는 픽셀 어레이에 45도의 각도로 기울어져 형성되는 반사형 디스플레이.
- 제 1 항에 있어서,상기 마크는 상기 반사형 디스플레이에 입사되는 적외선을 흡수하는 픽셀인 반사형 디스플레이.
- 제 1 항에 있어서,상기 마크는 각 픽셀에 가해지는 전압 조절을 통하여 상기 가상의 격자선상에 배열되는 반사형 디스플레이.
- 제 5 항에 있어서,상기 픽셀은 상기 가해지는 전압에 따라 그레이 스케일이 조절되며, 상기 마크의 그레이 스케일은 상기 반사형 디스플레이상에서 정보를 표시하기 위한 픽셀의 그레이 스케일보다 4 내지 5 단계 더 어둡게 조절되는 반사형 디스플레이.
- 제 1 항에 있어서,상기 마크의 그레이 스케일은 주위 픽셀의 그레이 스케일에 따라 자동 조절되는 반사형 디스플레이.
- 제 7 항에 있어서,상기 마크의 그레이 스케일은 주위 픽셀의 그레이 스케일보다 4 내지 5단계 더 어둡게 자동 조절되는 반사형 디스플레이.
- 반사형 디스플레이; 및상기 정보패턴을 인지하여 상기 반사형 디스플레이상에 그래픽 정보를 표시하기 위한 신호를 전송하는 전자펜을 포함하며,상기 반사형 디스플레이를 구성하는 픽셀에는 위치 정보를 제공하기 위한 정보 패턴이 형성되어 있으며, 상기 정보 패턴은 가상의 격자선과 다수의 마크를 포함하는 전자펜 시스템.
- 제 9 항에 있어서,상기 반사형 디스플레이는 전기영동 방식, MEMS방식 및 전기습윤 방식 중 어느 하나의 방식으로 구동되는 전자펜 시스템.
- 제 9 항에 있어서,상기 전자펜은 상기 정보패턴을 인지하여 상기 반사형 디스플레이상에 그래픽 정보를 표시하거나 삭제하기 위한 신호를 전송하는 전자펜 시스템.
- 제 9 항에 있어서,상기 전자펜의 일측에 마련되어 상기 그래픽 정보를 표시하기 위한 정보패턴을 인지하는 제1 적외선 센서; 및상기 전자펜의 타측에 마련되어 상기 그래픽 정보를 삭제하기 위한 정보패턴을 인지하는 제2 적외선 센서를 포함하는 전자펜 시스템.
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US14/405,562 US20150138159A1 (en) | 2012-06-05 | 2013-02-04 | Reflective display and electronic pen system using the same |
CN201380041717.4A CN104737119A (zh) | 2012-06-05 | 2013-02-04 | 反射式显示器及利用该反射式显示器的电子笔系统 |
JP2015515929A JP2015522873A (ja) | 2012-06-05 | 2013-02-04 | 反射型ディスプレイおよびこれを用いた電子ペンシステム |
EP13800070.8A EP2857956A4 (en) | 2012-06-05 | 2013-02-04 | REFLECTIVE DISPLAY AND ELECTRONIC PEN SYSTEM USING THE SAME |
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KR1020120060538A KR101373203B1 (ko) | 2012-06-05 | 2012-06-05 | 반사형 디스플레이 및 이를 이용한 전자펜 시스템 |
KR10-2012-0060538 | 2012-06-05 |
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US (1) | US20150138159A1 (ko) |
EP (1) | EP2857956A4 (ko) |
JP (1) | JP2015522873A (ko) |
KR (1) | KR101373203B1 (ko) |
CN (1) | CN104737119A (ko) |
WO (1) | WO2013183849A1 (ko) |
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KR102293761B1 (ko) | 2020-12-10 | 2021-08-26 | 주식회사 멤스팩 | 반도체형 풀 브리지 스트레인 게이지를 이용한 필압 측정모듈 및 이를 적용한 전자펜 |
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Also Published As
Publication number | Publication date |
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EP2857956A1 (en) | 2015-04-08 |
CN104737119A (zh) | 2015-06-24 |
US20150138159A1 (en) | 2015-05-21 |
JP2015522873A (ja) | 2015-08-06 |
KR101373203B1 (ko) | 2014-03-12 |
EP2857956A4 (en) | 2016-06-22 |
KR20130136832A (ko) | 2013-12-13 |
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