WO2010030075A2 - 디스플레이 장치, 이를 구비하는 모바일 기기 및 디스플레이 제어 방법 - Google Patents
디스플레이 장치, 이를 구비하는 모바일 기기 및 디스플레이 제어 방법 Download PDFInfo
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- WO2010030075A2 WO2010030075A2 PCT/KR2009/003822 KR2009003822W WO2010030075A2 WO 2010030075 A2 WO2010030075 A2 WO 2010030075A2 KR 2009003822 W KR2009003822 W KR 2009003822W WO 2010030075 A2 WO2010030075 A2 WO 2010030075A2
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Definitions
- the present invention relates to a display device, and more particularly, to a display device for displaying main and sub information using an LCD or electronic paper, and a TOLED panel (transparent OLED panel), a mobile device having the same, and a display control method. will be.
- a display device applied to a mobile communication terminal such as a mobile phone that implements a variety of information as a screen is developed as a core technology of the information and communication era in the direction of miniaturization to be thinner, lighter and easier to carry.
- a display structure applied to a mobile communication terminal such as a mobile phone is assembled with a touch panel on top of a single display device such as a liquid crystal display (LCD), an organic light emitting diode (OLED), or an electronic paper (E-Paper).
- LCD liquid crystal display
- OLED organic light emitting diode
- E-Paper electronic paper
- a separate sub display is provided to display simple sub information such as battery remaining capacity, current time, date, and user's name. In this case, since a separate space for providing the sub display is required, mechanical constraints are many.
- the conventional display structure when the conventional display structure is applied to a mobile communication terminal such as a mobile phone, the overall thickness and size of the mobile phone mobile communication terminal become large, and thus there is a problem in that it cannot be slim and compact.
- the present invention has been made to solve the above problems, by applying a sub-display structure using a transparent OLED TOLED, there is no need for a space for a separate sub-display slim and slim product structure Its purpose is to provide a display device that can be compactized.
- Another object of the present invention is to provide a mobile device having the display device as described above.
- Still another object of the present invention is to provide a method of controlling the display device as described above.
- a display apparatus for achieving the above object, the main display unit for displaying the main information, a sub display unit for displaying the sub information located on the main display unit, the upper portion of the sub display unit A touch panel positioned at the touch panel and electrically connected to the main display unit, the sub display unit, and the touch panel, and when an electrical signal of the touch panel is detected, a driving voltage is applied to the main display unit, and the operation of the main display unit is turned off. And a controller for applying a driving voltage to the sub display unit.
- the main display unit may include any one of an OLED panel, an LCD panel, and an electronic paper (E-Paper).
- the sub display unit may include an OLED panel, and the OLED panel may include a transparent organic EL (TOLED) panel.
- OLED transparent organic EL
- the TOLED panel may further include a substrate, a first electrode formed on the substrate, an organic material layer formed on the first electrode, a second electrode formed on the organic material layer, and between the organic material layer and the second electrode and the It may include a light-transmitting layer formed on at least one of the upper portion of the second electrode and including any one of oxide-based, nitride-based, salts, and complexes thereof.
- the oxide series may include any one of MoO 3, ITO, IZO, IO, ZnO, TO, TiO 2 , SiO 2 , WO 3 , Al 2 O 3 , Cr 2 O 3 , TeO 2 , SrO 2 have.
- the nitride series may include any one of SiN and AIN.
- the salts may include any one of Cs 2 CO 3 , LiCO 3 , KCO 3 , NaCO 3 , LiF, CsF, ZnSe.
- the thickness of the light transmitting layer is preferably formed in less than 0.1nm 100nm.
- the organic material layer may include an electron transport layer formed by doping any one of metals having low work function and composites thereof to facilitate electron injection from the second electrode.
- the metals having a low work function may include any one of Cs, Li, Na, K, and Ca.
- the complex thereof may include any one of Li-Al, LiF, CsF, and Cs 2 CO 3 .
- the TOLED panel according to the present invention may exhibit a transmittance of 70 to 99% according to the wavelength (nm).
- a mobile device for achieving the above object, for example, a mobile communication terminal such as a mobile phone, PMP, etc. may be provided with the display device.
- a method for controlling a display comprising: detecting an electrical signal of a touch panel by applying a driving voltage to a main display unit when an electrical signal of the touch panel is detected; Displaying main information through a main display unit; detecting whether the main display unit is in operation; and when the operation of the main display unit is turned off, applying a driving voltage to the sub display unit to provide sub information through the sub display unit; It may include the step of displaying.
- a mobile device having the same, and a display control method by applying a TOLED panel displaying sub information on an LCD panel displaying main information or an E-Paper.
- a space for a separate sub display is not required, thereby making the structure of the product slim and compact.
- a light emitting layer including any one of an oxide-based, nitride-based, salt, and a complex thereof is formed between at least one of an organic material layer, a second electrode (cathode electrode), and an upper portion of the second electrode to form a TOLED panel.
- a second electrode cathode electrode
- the transmittance can be improved while implementing a double-sided light emitting TOLED.
- the light-transmitting layer of a material containing any one of oxide-based, nitride-based, salts and composites thereof, it is possible to prevent the increase in the internal resistance of the second electrode to improve the electrical performance of the product.
- FIG. 1 is an exploded perspective view illustrating main parts of a display apparatus according to an exemplary embodiment of the present invention.
- FIG. 2 is a block diagram illustrating a configuration of a display apparatus according to an embodiment of the present invention.
- FIG. 3 is an exemplary diagram illustrating an example of displaying main information through an LCD panel of a display device.
- FIG. 4 is an exemplary diagram illustrating an example of displaying sub information through a TOLED panel of a display device.
- FIG. 5 is a flowchart illustrating a control method of displaying main information and sub information of the display apparatus of the present invention.
- FIG. 6 is a cross-sectional view of a configuration of the TOLED panel of the display device according to the present invention.
- FIG. 7 is a graph illustrating transmittance according to the light transmitting layer of the TOLED panel.
- FIG. 8 is a luminance graph according to a light transmitting layer of a TOLED panel.
- FIG. 9 is a graph of transmittance when a light-transmitting layer is formed of an oxide series, salts, and a composite thereof in a TOLED panel, respectively.
- FIG. 10 is a flowchart illustrating a method of manufacturing a TOLED of a display device according to the present invention.
- FIG. 1 is an exploded perspective view illustrating a main part of a display device according to an embodiment of the present invention
- FIG. 2 is a block diagram illustrating a configuration of a display device according to an embodiment of the present invention.
- the display device includes an LCD panel 10, an OLED panel 20, a touch panel 30, a controller 40, and the like.
- the liquid crystal display (LCD) panel 10 selectively transmits light irradiated from the backlight unit (BLU) 11 disposed below by using dielectric anisotropy in which the arrangement direction of the liquid crystal is changed by a voltage applied from the outside. Display letters, numbers, or any other icon.
- the backlight unit 11 include a CCFL (cold cathode fluorescent lamp), an EEFL (external electrode fluorescent lamp), an LED (light emitting diode), an FFL (flat fluorescent lamp), and the like. Since the LCD panel 10 can be understood by known techniques, detailed configurations and the like are omitted.
- the LCD panel 10 includes a driver IC 10a connected to the touch panel 30 and the controller 40 which will be described later.
- the LCD panel 10 is a main display unit (hereinafter referred to as '20') for displaying main information.
- '20' main display unit
- the LCD panel 10 is a letter or number higher resolution than the TOLED panel 20 to be described later or any other icon or video, etc. Display.
- the LCD panel 10 is illustrated as an example of the main display unit, but is not limited thereto.
- the main display unit may include an OLED panel or an electronic paper in addition to the LCD panel.
- OLED panel 20 is a self-luminous phenomenon in which electrons and holes (particles with charges corresponding to electrons) injected from a cathode and an anode are combined in an organic material to emit light, or organic light emission using the phenomenon It is a diode. Since the OLED panel 20 can be understood by a known technique, detailed configurations and the like are omitted.
- the OLED panel 20 is located above the LCD panel 10.
- the OLED panel 20 includes a transparent organic light emitting diode (TOLED) panel, which will be described below as TOLED panel (hereinafter, referred to as '20').
- TOLED panel transparent organic light emitting diode
- the TOLED panel 20 coats the hole transporting layer, the light emitting and the electron transporting layer on the ITO transparent positive electrode, and then thinly coats Mg: Ag (composition ratio 5:95) to within 100 Hz to form a transparent negative electrode, and then compensates for conductivity on the negative electrode. It is a transparent OLED panel manufactured by coating an ITO film for maintaining a protective layer and transparency.
- the TOLED panel 20 as described above will be described in more detail when described with reference to FIGS. 6 to 10.
- the driver LED 20a connected to the controller 40 to be described later is mounted on the TOLED panel 20.
- the TOLED panel 20 is a sub display unit (hereinafter referred to as '20') for displaying sub information.
- '20' a sub display unit for displaying sub information.
- the TOLED panel 20 displays a battery capacity, a current time, a date, a user's name, and the like, which have a lower resolution than the LCD panel 10.
- the touch panel 30 is a signal by a capacitive method that detects a voltage difference between the XY electrode patterns by pressing an analyzer by a pen or a hand, pressing the conductive film with the force, and contacting the XY electrode patterns. It is an input device that generates an electric signal. Since the touch panel 30 can be understood by a known technique, detailed configurations and the like are omitted.
- the touch panel 30 is positioned above the TOLED panel 20 and is electrically connected to the driving IC 10a of the LCD panel 10 and the controller 40 to be described later.
- the electric signal generated in the touch panel 30 drives the electrode of the LCD panel 10 via the control unit 40 that executes the program.
- the controller 40 is electrically connected to the LCD panel 10, the TOLED panel 20, and the touch panel 30, and detects an electrical signal of the touch panel 30 to detect the LCD panel 10 and the TOLED panel 20. Selectively control the driving of More specifically, the controller 40 applies a voltage to the driving IC 10a of the LCD panel 10 so that main information is displayed through the LCD panel 10 when an electrical signal of the touch panel 30 is detected. When the operation time of the LCD panel 10 ends, a voltage is applied to the driving IC 20a of the TOLED panel 20 so that the sub information is displayed through the TOLED panel 20.
- a mobile communication terminal such as a mobile phone of the present invention, a mobile device such as a PMP, or the like, as described above by applying the TOLED panel 20 on the LCD panel 10 or an electronic paper (E-Paper) LCD panel (10) or electronic paper to display main information such as high resolution letters, numbers, or any other icon or video, and TOLED panel to display low resolution battery capacity, current time, date, user's name, etc. It may include a display device for displaying the sub information. Therefore, a space for providing a separate sub display is not required, and thus the structure of the mobile phone terminal can be slimmed and compact.
- E-Paper electronic paper
- FIG. 3 is an exemplary diagram illustrating an example of displaying main information through an LCD panel of a display apparatus
- FIG. 4 is an exemplary diagram illustrating an example of displaying sub information through a TOLED panel of a display apparatus
- FIG. 5 Is a flowchart illustrating a control method of displaying main information and sub information of the display apparatus of the present invention.
- the touch panel 30 when a user presses the touch panel 30, the touch panel 30 generates a signal electrical signal, and the controller 40 controls the electrical power of the touch panel 30. It is detected whether a signal is generated (S101). More specifically, the touch panel 30 is a capacitive method of detecting a voltage difference between the XY electrode patterns by pressing an analyzer by a pen or a hand, pressing the conductive film with the force, and contacting the XY electrode patterns. Signal Generates an electrical signal. The electric signal generated in this way is detected by the control unit 40 for executing a program.
- control unit 40 detects an electrical signal of the touch panel 30
- a driving voltage is applied to the LCD panel 10 and the BLU 11 (S102), and the resolution is high through the LCD panel 10.
- Main information such as letters, numbers or any other icon or video is displayed (S103).
- control unit 40 detects whether the LCD panel 10 is operated (S104). That is, it detects whether the operation time of the LCD panel 10 and the BLU 11 is over.
- the control unit 40 applies a driving voltage to the TOLED panel 20 ( In operation S106, the TOLED panel 20 displays sub information such as a low resolution battery remaining capacity, a current time, a date, and a user's name.
- FIG. 6 is a cross-sectional view of a configuration of the TOLED panel of the display device according to the present invention.
- the TOLED panel 20 of the display device according to the present invention includes a substrate 100, a first electrode 110, a second electrode 120, an organic material layer 130, and a light transmitting layer 140. And the like.
- the substrate 100 supports the first electrode 110, the second electrode 120, the organic layer 130, and the light transmitting layer 140.
- the substrate 100 uses a glass material or a plastic material having transparency to allow light emitted therethrough.
- the first electrode 120 is also commonly referred to as a lower electrode, and is formed on the substrate 100.
- the first electrode 110 is an anode, which is an anode, and is formed on the substrate 100 by thermal deposition using a sputtering method, an ion plating method, an electron gun, or the like. Is formed.
- the first electrode 110 according to an embodiment of the present invention uses a transmissive indium tin-oxide electrode, but a transmissive indium zin-oxide electrode is used. It may be.
- the second electrode 120 is also commonly referred to as an upper electrode facing the first electrode 110, and is formed on the organic layer 130.
- the second electrode 120 is a cathode, which is a cathode opposite to the first electrode 110, which is an anode.
- the second electrode 120 selects one of silver (Ag), aluminum (Al), and magnesium-silver (Mg: Ag) alloy, which is a metal having transparency.
- the organic layer 130 is interposed between the first electrode 110 and the second electrode 120 to emit light by energization between the first electrode 110 and the second electrode 120.
- the organic layer 130 includes a hole injection layer (HIL) 131 and a hole transporting layer (HTL) to emit light by energization between the first electrode 110 and the second electrode 120.
- HIL hole injection layer
- HTL hole transporting layer
- 133 an emission layer (EML) 135, an electron transporting layer (ETL) 137, and an electron injection layer (EIL) 139.
- the organic layer 130 is spin coating, thermal evaporation, spin casting, sputtering, e-beam evaporation and chemical vapor deposition. It is interposed between the first electrode 110 and the second electrode 120 by a chemical vapor deposition (CVD) method or the like.
- CVD chemical vapor deposition
- the hole injection layer 131 plays a role of injecting holes from the first electrode 110, and the hole transport layer 133 has holes injected from the hole injection layer 131 from the electrons of the second electrode 120. It serves as a movement of holes to meet.
- the electron injection layer 139 serves to inject electrons from the second electrode 120, and the electron transport layer 137 moves electrons injected from the electron injection layer 139 from the hole transport layer 133. It serves as a movement path of electrons to meet in the hole and the light emitting layer 135.
- the electron transport layer 137 may be formed by doping any one of metals having low work function and composites thereof to facilitate electron injection from the second electrode 120, and this may be the presence or absence of the electron injection layer 139. All can be applied regardless.
- the metals having a low work function may include Cs, Li, Na, K, Ca, and the like, and the complex thereof may include Li-Al, LiF, CsF, Cs 2 CO 3 , and the like.
- the light emitting layer 135 is interposed between the hole transport layer 133 and the electron transport layer 137 to emit light by holes from the hole transport layer 133 and electrons from the electron transport layer 137. That is, the light emitting layer 135 emits light by holes and electrons which meet at the interface with the hole transport layer 133 and the electron transport layer 137, respectively.
- the light transmitting layer 140 may be formed between at least one of the organic layer 130 and the second electrode 120 and the upper portion of the second electrode 120.
- the light transmitting layer 140 may be formed on both the top and bottom surfaces of the second electrode 120, or may be formed on only one of the bottom and top surfaces of the second electrode 120.
- a configuration in which the light transmitting layer 140 is formed on both the upper and lower surfaces with the second electrode 120 interposed therebetween is not limited thereto.
- the configuration formed only one can be applied equally.
- the light transmission layer 140 includes a first light transmission layer 141 formed between the organic layer 130 and the second electrode 120, and a second light transmission layer 142 formed on the second electrode 120. can do.
- the first light transmission layer 141 may be formed between the electron injection layer 139 and the second electrode 120 of the organic material layer 130, or may be formed on the electron injection layer 139 itself.
- the second light transmission layer 142 may be stacked on an upper surface of the second electrode 120 opposite to the first light transmission layer 141.
- the light transmitting layer 140 functions to allow the second electrode 120 to have a high transmittance while having a transmittance.
- the light transmitting layer 140 is formed of a thin film to reduce the sheet resistance of the second electrode 120, thereby preventing the performance degradation of the TOLED panel 20.
- the characteristics of the light-transmitting layer 140 will be described in detail with reference to FIGS. 6 to 10 after describing oxide-based, nitride-based, salts, and composites thereof to be described later.
- the light transmitting layer 140 of the present invention may include any one of oxide-based, nitride-based, salts, and composites thereof.
- the oxide series may include MoO 3, ITO, IZO, IO, ZnO, TO, TiO 2 , SiO 2 , WO 3 , Al 2 O 3 , Cr 2 O 3 , TeO 2 , SrO 2 , and the like.
- the nitride series may include SiN, AIN, and the like.
- the salts may include Cs 2 CO 3 , LiCO 3 , KCO 3 , NaCO 3 , LiF, CsF, ZnSe and the like.
- the materials for allowing the second electrode 120 to have a high transmittance while having a permeability can be included.
- the light transmitting layer 140 may be made of the same material as the first light transmitting layer 141 and the second light transmitting layer 142, but may be made of different materials.
- the first light transmitting layer 141 may include an oxide-based
- the second light transmitting layer 142 may include a nitride-based, a salt, and a combination thereof.
- the first light transmission layer 141 may include a nitride series
- the second light transmission layer 142 may include an oxide series, salts, or a combination thereof.
- the first light transmission layer 141 may include salts
- the second light transmission layer 142 may include an oxide-based, nitride-based, and composites thereof.
- the thickness of the light transmitting layer 140 is preferably formed in less than 0.1nm 100nm. For example, the reason for limiting the thickness value of the light-transmitting layer 140 will be described. If the thickness of the light-transmitting layer 140 is less than 0.1 nm, the transmittance increases, but the resistance also increases in proportion to the TOLED panel 20. Degrades performance.
- the light transmitting layer 140 is preferably formed by thermal evaporation.
- FIG. 7 is a graph illustrating transmittance according to the presence or absence of a light-transmitting layer 140 formed on the TOLED panel 20 of the present invention.
- 'a' in FIG. 7 is a diagram of the TOLED panel 20 according to the present invention in which the light transmitting layer 140 is formed
- 'b' is a TOLED panel 20 without the light transmitting layer 140 unlike the present invention. Is leading.
- the TOLED panel 20 according to the present invention may exhibit a transmittance of 70 to 99% depending on the wavelength (nm). For example, as shown in FIG. 7, when looking at the transmittance according to the wavelength (nm), at 550 nm, the transmittance of the TOLED panel 20 according to the present invention is about 80%, and the TOLED without the transmissive layer 140 is present. Panel 20 represents about 47%. For this result, it can be seen that the transmittance of the TOLED panel 20 with the light transmitting layer 140 is 1.7 times higher than that of the TOLED panel 20 without the light transmitting layer 140.
- 8 is a luminance graph of the TOLED panel 20 with or without the light transmitting layer 140. 8 is a diagram of the TOLED panel 20 according to the present invention, and 'd' is a diagram of the TOLED panel 20 without the light transmitting layer 140.
- the TOLED panel 20 with the light-transmitting layer 140 is about 25000
- the TOLED panel 20 without the light-transmitting layer 140 is about 20000. It can be seen that the luminance remains 1.25 times different depending on the presence or absence of the light transmitting layer 140.
- the 'e' diagram of FIG. 9 shows oxides such as MoO 3, ITO, IZO, IO, ZnO, TO, TiO 2 , SiO 2 , WO 3 , Al 2 O 3 , Cr 2 O 3 , TeO 2 , SrO 2, and the like.
- the transmittance of the light-transmitting layer 140 formed as a series, and the 'f' diagram is the transmittance of the light-transmitting layer 90 formed of salts such as Cs 2 CO 3 , LiCO 3 , KCO 3 , NaCO 3 , LiF, CsF, ZnSe, and the like. to be.
- the oxide-based light transmissive layer 140 has a transmittance of about 80%, and when the light transmissive layer 140 is formed with a salt, there is a difference of about 75%. Since the light transmission layer 140 including the oxide series has a transmittance of about 5% higher than that of the light transmission layer 140 including the salts, it is only a difference. Thus, as shown in the embodiment of the present invention, the oxide series, the salts, and the composite thereof It may be desirable to use it selectively.
- a first electrode 110 which is an anode (+), is formed on the substrate 100 (S201).
- an organic material layer 130 is formed on the first electrode 110 (S202).
- the organic layer 130 formed on the first electrode 110 in the order of the hole injection layer 131, the hole transport layer 133, the light emitting layer 135, the electron transport layer 137 and the electron injection layer 139. To form.
- the first light transmission layer 141 is formed on the organic layer 130 (S203).
- the first light-transmitting layer 141 is an oxide-based MoO 3, ITO, IZO, IO, ZnO, TO, TiO 2 , SiO 2 , WO 3 , Al 2 O 3 , Cr 2 O 3 , TeO 2 , SrO 2 , and the like.
- the first light transmitting layer 141 is formed to have a thickness of 0.1 nm or more and less than 100 nm in consideration of resistance and transmittance.
- the second electrode 120 is formed on the first light transmitting layer 141.
- the second electrode 120 uses a metal thin film as the cathode ( ⁇ ).
- the metal thin film used as the second electrode 120 uses any one of silver (Ag), aluminum (Al), and magnesium-silver (Mg: Ag) alloy.
- the second light transmitting layer 142 is again formed on the second electrode 120 (S205).
- the second light transmission layer 142 may include an oxide series as in step S203.
- the second light-transmitting layer 142 formed on the second electrode 120 is a nitride-based, such as SiN, AIN, Cs 2 CO 3 , LiCO 3 , KCO 3 , NaCO 3 , LiF, CsF, ZnSe, etc. Salts, and combinations thereof.
- the light-transmitting layer 140 may be formed with the second electrode 120 interposed therebetween to implement double-sided light emission and to improve transmittance.
- the transparent layer 140 may be formed to adjust the thickness of the second electrode 120, thereby improving transmittance and electrical performance.
- the present invention can be used in a mobile device such as a cell phone or the like employing an LCD or electronic paper, and a display structure for displaying main and sub information using a TOLED panel (transparent OLED panel).
- a mobile device such as a cell phone or the like employing an LCD or electronic paper
- a display structure for displaying main and sub information using a TOLED panel (transparent OLED panel).
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Abstract
Description
Claims (20)
- 메인 정보를 디스플레이하는 메인 디스플레이부;상기 메인 디스플레이부의 상부에 위치하며, 서브 정보를 디스플레이하는 서브 디스플레이부;상기 서브 디스플레이부의 상부에 위치하는 터치 패널; 및상기 메인 디스플레이부, 상기 서브 디스플레이부 및 상기 터치 패널에 전기적으로 연결되며, 상기 터치 패널의 전기신호가 감지되면 상기 메인 디스플레이부에 구동 전압을 인가하고, 상기 메인 디스플레이부의 동작이 오프되면 상기 서브 디스플레이부에 구동 전압을 인가하는 제어부를 포함하는 디스플레이 장치.
- 제 1 항에 있어서, 상기 메인 디스플레이부는 LCD 패널 또는 전자종이(E-Paper)를 포함하는 것을 특징으로 하는 디스플레이 장치.
- 제 1 항에 있어서, 상기 메인 디스플레이부는 OLED 패널을 포함하는 것을 특징으로 하는 디스플레이 장치.
- 제 1 항에 있어서, 상기 서브 디스플레이부는 OLED 패널을 포함하는 것을 특징으로 하는 디스플레이 장치.
- 제 4 항에 있어서, 상기 OLED 패널은 TOLED(투명 유기 EL) 패널을 포함하는 것을 특징으로 하는 디스플레이 장치.
- 제 5 항에 있어서, 상기 TOLED 패널은,기판;상기 기판 상에 형성되는 제 1 전극;상기 제 1 전극 상에 형성되는 유기물층;상기 유기물층 상에 형성되는 제 2 전극; 및상기 유기물층과 상기 제 2 전극 사이 및 상기 제 2 전극의 상부 중 적어도 어느 하나에 형성되며, 산화물 계열, 질화물 계열, 염류 및 이들의 복합물 중 어느 하나를 포함하는 투광층을 포함하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 산화물 계열은 MoO3, ITO, IZO, IO, ZnO, TO, TiO2, SiO2, WO3, Al2O3, Cr2O3, TeO2, SrO2 중 어느 하나를 포함하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 질화물 계열은 SiN, AIN 중 어느 하나를 포함하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 염류는 Cs2CO3, LiCO3, KCO3, NaCO3, LiF, CsF, ZnSe 중 어느 하나를 포함하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 투광층의 두께는 0.1nm 이상 100nm 미만으로 형성되는 것을 특징으로 하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 유기물층은 상기 제2전극으로부터의 전자 주입을 원활하게 하기 위해 일함수가 낮은 금속류 및 이들의 복합물 중 어느 하나를 도핑하여 형성한 전자 전달층을 포함하는 것을 특징으로 하는 디스플레이 장치.
- 제 11 항에 있어서, 상기 일함수가 낮은 금속류는 Cs, Li, Na, K, Ca 중 어느 하나를 포함하는 디스플레이 장치.
- 제 11 항에 있어서, 상기 이들의 복합물은 Li-Al, LiF, CsF, Cs2CO3 중 어느 하나를 포함하는 디스플레이 장치.
- 제 6 항에 있어서, 상기 TOLED 패널은 파장(nm)에 따라 70~99%의 투과율을 나타내는 것을 특징으로 하는 디스플레이 장치.
- 제 1 항 내지 제 14 항 중 어느 하나의 디스플레이 장치를 구비하는 모바일 기기.
- 제어부가 터치 패널의 전기신호를 감지하는 단계;상기 터치 패널의 전기신호가 감지되면 메인 디스플레부에 구동 전압을 인가하여 상기 메인 디스플레이부를 통해 메인 정보를 디스플레이하는 단계;상기 제어부가 상기 메인 디스플레이부의 동작 여부를 감지하는 단계; 및상기 메인 디스플레이부의 동작이 오프되면 서브 디스플레이부에 구동 전압을 인가하여 상기 서브 디스플레이부를 통해 서브 정보를 디스플레이하는 단계를 포함하는 디스플레이 제어 방법.
- 제 16 항에 있어서, 상기 메인 디스플레이부는 LCD 패널 또는 전자종이(E-Paper)를 포함하는 것을 특징으로 하는 디스플레이 제어 방법.
- 제 16 항에 있어서, 상기 메인 디스플레이부는 OLED 패널을 포함하는 것을 특징으로 하는 디스플레이 제어 방법.
- 제 16 항에 있어서, 상기 서브 디스플레이부는 OLED 패널을 포함하는 것을 특징으로 하는 디스플레이 제어 방법.
- 제 18 항 또는 제 19 항에 있어서, 상기 OLED 패널은 TOLED(투명 유기 EL) 패널을 포함하는 것을 특징으로 하는 디스플레이 제어 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP09813197A EP2330490A4 (en) | 2008-09-09 | 2009-07-13 | DISPLAY DEVICE, MOBILE DEVICE THEREFOR AND DISPLAY CONTROL METHOD |
CN2009801353898A CN102150113A (zh) | 2008-09-09 | 2009-07-13 | 显示装置、包括该显示装置的移动设备以及显示控制方法 |
JP2011526800A JP5682038B2 (ja) | 2008-09-09 | 2009-07-13 | ディスプレイ装置、これを備えるモバイル機器およびディスプレイの制御方法 |
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KR20080088742 | 2008-09-09 | ||
KR10-2008-0088742 | 2008-09-09 | ||
KR10-2009-0047775 | 2009-05-29 | ||
KR1020090047775A KR101045264B1 (ko) | 2008-09-09 | 2009-05-29 | 디스플레이 장치, 이를 구비하는 모바일 기기 및 디스플레이 제어 방법 |
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WO2010030075A2 true WO2010030075A2 (ko) | 2010-03-18 |
WO2010030075A3 WO2010030075A3 (ko) | 2010-05-06 |
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US (1) | US20100302193A1 (ko) |
EP (1) | EP2330490A4 (ko) |
JP (1) | JP5682038B2 (ko) |
KR (2) | KR101045264B1 (ko) |
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- 2009-07-13 JP JP2011526800A patent/JP5682038B2/ja not_active Expired - Fee Related
- 2009-07-13 EP EP09813197A patent/EP2330490A4/en not_active Withdrawn
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2010
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US9087801B2 (en) | 2010-04-29 | 2015-07-21 | Apple Inc. | Power efficient organic light emitting diode display |
Also Published As
Publication number | Publication date |
---|---|
EP2330490A4 (en) | 2013-01-09 |
EP2330490A2 (en) | 2011-06-08 |
WO2010030075A3 (ko) | 2010-05-06 |
KR101092968B1 (ko) | 2011-12-12 |
KR20110037992A (ko) | 2011-04-13 |
JP2012502324A (ja) | 2012-01-26 |
JP5682038B2 (ja) | 2015-03-11 |
CN102150113A (zh) | 2011-08-10 |
KR101045264B1 (ko) | 2011-06-29 |
US20100302193A1 (en) | 2010-12-02 |
KR20100030562A (ko) | 2010-03-18 |
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