Abstract: A method for transmitting and receiving data between a memo layer and an application and an electronic device using the same are provided. The method includes executing an application and displaying the executed application on a touch screen, detecting a gesture on the touch screen during execution of the application, displaying a memo layer overlapped on the application according to the detected gesture, the memo layer including a handwriting input area for displaying data to be provided to the application and a display area for displaying data received from the application, receiving a handwriting image in the handwriting input area of the memo layer, recognizing the received handwriting image and comparing the recognized handwriting image with preset data, and displaying a feedback received from the application in the display area of the memo layer according to a comparison result.

Abstract: A handwriting-based User Interface (UI) apparatus in a user terminal supporting a handwriting-based memo function and a method for supporting the same are provided, in which upon receipt of a handwritten input on a memo screen from a user, the handwritten input is recognized, a command is determined from the recognized input, and an application corresponding to the determined command is executed.

Abstract: A method and an apparatus for controlling an application by handwriting image recognition are provided. The method includes displaying an executed application on a touch panel, detecting a predefined user input, displaying a memo window including a handwriting input area and a non-handwriting input area over the application in response to the detected the user input, receiving and recognizing a handwriting image in the handwriting input area of the memo window, and controlling a function of the application according to a recognized result.

Abstract: A User Interface (UI) apparatus and a method for supporting the same at a user terminal supporting a handwriting-based memo function are provided, in which an application is executed, a memo layer is provided during executing the application, a first input event is received in a first area of the memo layer, a second input event is received in a second area of the memo layer, one of the first and second input events is recognized as a handwriting input and the other input event is recognized as a drawing input based on the first and second input events, and a predetermined function from among functions of the application is performed according to an input recognition result.

Abstract: An organic electroluminescent device includes a first substrate including first to fourth pixel regions; an organic electroluminescent diode on the first substrate and in each of the first to fourth pixel regions, the organic electroluminescent diode emitting a white light; a second substrate facing the first substrate; and a color filter layer positioned between the organic electroluminescent diode and the second substrate or between the organic electroluminescent diode and the first substrate and including a red color filter pattern, a green color filter pattern, a blue color filter pattern and a white color filter pattern corresponding to the first to fourth pixel regions, respectively, wherein the white color filter pattern has a first transmittance with respect to a blue light greater than a second transmittance with respect to a red light and a green light.

Abstract: An electroluminescent device includes: first to third pixel regions; a first electrode in each of the first to third pixel regions, wherein the first electrode of the third pixel region has a first thickness, the first electrode of the first pixel region has a second thickness less than the first thickness, and the first electrode of the second pixel region has a third thickness less than the second thickness; a second electrode in each of the first to third pixel regions; at least two electroluminescent units in each of the first and third pixel regions and disposed between the first electrode and second electrode, wherein one of the at least two electroluminescent units includes a blue light emitting layer and the other of the at least two electroluminescent units include a red/green light emitting layer; and a charge generation layer disposed between the at least two electroluminescent units.

Abstract: A white organic light emitting device and a display device using the same to which a 2-peak spectrum is applied to execute white display comprises a first electrode and a second electrode disposed opposite each other on a substrate, and a blue light emitting unit and a phosphorescent light emitting unit provided between the first electrode and the second electrode, and a 2-peak white spectrum is formed through a first light emitting peak of the blue light emitting unit at a wavelength of 430 nm to 460 nm and a second light emitting peak of the phosphorescent light emitting unit at a wavelength of 530 nm to 630 nm.

Abstract: An organic light emitting diode includes a first electrode on a substrate; a hole transporting layer on the first electrode; a light emitting material layer on the hole transporting layer; an electron transporting layer on the light emitting material layer and doped with a metal; a second electrode on the electron transporting layer; and a buffer layer between the electron transporting layer and the second electrode and using an organic material of a triphenylene skeleton including substituted or nonsubstituted heteroatom, or a substituted or nonsubstituted Pyrazino quinoxaline derivative compound.

Abstract: An organic electroluminescent device includes a first substrate including first to fourth pixel regions; an organic electroluminescent diode on the first substrate and in each of the first to fourth pixel regions, the organic electroluminescent diode emitting a white light; a second substrate facing the first substrate; and a color filter layer positioned between the organic electroluminescent diode and the second substrate or between the organic electroluminescent diode and the first substrate and including a red color filter pattern, a green color filter pattern, a blue color filter pattern and a white color filter pattern corresponding to the first to fourth pixel regions, respectively, wherein the white color filter pattern has a first transmittance with respect to a blue light greater than a second transmittance with respect to a red light and a green light.

Abstract: An electroluminescent device includes: first to third pixel regions; a first electrode in each of the first to third pixel regions, wherein the first electrode of the third pixel region has a first thickness, the first electrode of the first pixel region has a second thickness less than the first thickness, and the first electrode of the second pixel region has a third thickness less than the second thickness; a second electrode in each of the first to third pixel regions; at least two electroluminescent units in each of the first and third pixel regions and disposed between the first electrode and second electrode, wherein one of the at least two electroluminescent units includes a blue light emitting layer and the other of the at least two electroluminescent units include a red/green light emitting layer; and a charge generation layer disposed between the at least two electroluminescent units.

Abstract: An improved organic electroluminescent device is provided. The device may include a protection layer provided on non-light-emitting regions of a panel to prevent reflection of external light. The protection layer may include an optical filter used in combination with a black insulator. The protection layer may provide for improved reflectance and transmissivity, and improved brightness without a commensurate reduction in contrast.