Patent application number | Description | Published |
20100051997 | Organic light emitting diode and method of fabricating the same - The present invention discloses an organic light emitting diode and a method of fabricating the organic light emitting diode. The OLED device includes one or more light emitting layers, and the light emitting layer is composed of one or more light emitting materials and one or more subject materials, and the subject material has a molecular polarity different from the molecular polarity of the light emitting material, such that the light emitting molecules can be self dispersed to emit a darker blue light color or a light color of a longer wavelength. | 03-04-2010 |
20100051998 | Organic light emitting diode and method of fabricating the same - The present invention discloses an organic light emitting diode and a method of fabricating the organic light emitting diode. The OLED device includes one or more light emitting layers, and the light emitting layer is composed of one or more light emitting materials and one or more subject materials, and the subject material has a molecular polarity different from the molecular polarity of the light emitting material, such that the light emitting molecules can be self dispersed to emit a more reddish light color or a light color of a longer wavelength. | 03-04-2010 |
20110111552 | Method for forming organic layers of electronic devices by contact printing - A method for forming organic layers of electronic devices by contact printing is disclosed, which comprises: (A) providing a substrate, which has an electrode formed thereon; (B) coating an organic material ink onto a mold; (C) applying the ink-coated mold onto the substrate, to transfer the organic material ink onto the electrode of the substrate and then to form an organic layer; and (D) forming another electrode on the organic layer. In addition, after the step (C) is completed, the steps (B) to (C) can be repeated once or several times to form series of organic layers, if needed. | 05-12-2011 |
20110240963 | ORGANIC LIGHT-EMITTING DIODE WITH HIGH COLOR RENDERING - An organic light-emitting diode with high color rendering is provided, which comprises: a substrate with a first electrode formed thereon; a first light-emitting region disposed over the first electrode, wherein the first light-emitting region comprises at least one layer of a first light-emitting layer, and the first light-emitting layer comprises at least one first dye respectively; a spacer disposed on the first light-emitting region; a second light-emitting region disposed on the organic spacer, wherein the second light-emitting region comprises at least one layer of a second light-emitting layer, and the second light-emitting layer comprises at least one second dye respectively; and a second electrode disposed over the second light-emitting region. | 10-06-2011 |
20110254033 | Organic Light-Emitting Diode Device with High Color Rendering - The present invention discloses an organic light-emitting diode (OLED) device with high color rendering comprising a base plate, a first conductive layer, a plurality of white light emitting layers, and a second conductive layer, wherein the spectra of the white light emitting layers possess characteristics of complementarities so as to enhance the color rendering of the emitted white light, and at least one carrier regulating layer is selectively disposed between every two white light emitting layers so as to increase the emitting efficiency and color rendering. | 10-20-2011 |
20110303902 | ORGANIC LIGHT-EMITTING DIODE WITH HIGH COLOR RENDERING - An organic light-emitting diode with high color rendering is provided, which includes: a substrate; a first electrode disposed over the substrate; a light-emitting region disposed over the first electrode, in which the light-emitting region includes a plurality of light-emitting layers and at least one spacer, the spacer being disposed between any two of the light-emitting layers and each of the light-emitting layers individually including a dye; and a second electrode disposed over the light-emitting region. Accordingly, the organic light-emitting diode according to the present invention can exhibit high color rendering and high illumination efficiency. | 12-15-2011 |
20120032153 | Organic Light-Emitting Diode Device - The present invention relates to an improved organic light-emitting diode (OLED) device which comprises a first conductive layer, a first light-emitting material layer, a second light-emitting material layer, a second conductive layer, and at least one third light-emitting material layer, wherein the first conductive layer is adapted for being an anode substrate, moreover, by way of evaporation process, the first light-emitting material layer, the third light-emitting material layer, the second light-emitting material layer, and the second conductive layer are formed on the anode substrate in turns. Besides, the phenomenon of efficiency roll-off occurring in a high luminance region of the OLED device may be improved by adding the third light-emitting material layer between the first light-emitting material layer and the second light-emitting material layer. | 02-09-2012 |
20120156817 | Method for Manufacturing High-quality Organic Light-emitting Diode - The present invention discloses a method for manufacturing a high-quality organic light-emitting diode (OLED), and the method comprises the steps of: providing a substrate; providing at least one template engraved with a pattern; putting at least one organic light-emitting material onto the pattern of the template by an inking process; transferring the organic light-emitting material from the pattern of the template to the substrate by a contact printing process; forming at least one organic light-emitting layer on the substrate, wherein the organic light-emitting layer comprises a plurality of pixels which are arranged in a side by side manner with a complementary emission spectrum, so that the OLED possesses the property of high color rendering, color temperature tunable, or the combination thereof. | 06-21-2012 |
20140084255 | Organic Light-Emitting Diode Using Bandgap Matching Dye as Co-Host - The present invention relates to an organic light-emitting diode using an bandgap matching dye as a co-host, comprising: a first conductive layer, a hole injection layer, a hole transport layer, a host light-emitting layer, a first dye, a second dye, an electronic transport layer, an electronic injection layer, and a second conductive layer; wherein the host energy gap of the host light-emitting layer is greater than the energy gap of the first dye, and the energy gap of the first dye is greater than the energy gap of the second dye; therefore the first dye can be a co-host light-emitting layer opposite to the host light-emitting layer, and the energy of the first dye can be effectively conducted to the second dye, such that the luminous efficiency of the light emitted by the second dye through the host light-emitting layer is largely enhanced. | 03-27-2014 |
20140252320 | FULL-BAND AND HIGH-CRI ORGANIC LIGHT-EMITTING DIODE - The present invention relates to a full-band and high-CRI organic light-emitting diode, comprising: a first conductive layer, at least one first carrier transition layer, a plurality of light-emitting layers, at least one second carrier transition layer, and a second conductive layer. In the present invention, a plurality of dyes are doped in the light-emitting layers, so as to make the light-emitting layers emit a plurality of blackbody radiation complementary lights, wherein the chromaticity coordinates of the blackbody radiation complementary lights surround to a specific area on 1931 CIE (Commission International de'Eclairage) Chromaticity Diagram, moreover, the specific area fully encloses the Planck's locus on 1931 CIE Chromaticity Diagram, such that the blackbody radiation complementary lights mix to each other and then become a full-band and high-CRI light. | 09-11-2014 |
20140313512 | Light Source Quality Evaluating Method by Using Spectral Resemblance With Respect to the Blackbody Radiation - The present invention relates to a light source quality evaluating method by using spectral resemblance with respect to the blackbody radiation, which mainly comprises 5 method steps. This method is used for evaluating the quality of light based on physiological perception of human. In evaluating operation, the method firstly transfers a power spectrum of a light source to a luminance spectrum of light source through a luminosity function. Next, the method compares the luminance spectrum of light source with a luminance spectrum of the blackbody radiation thereof. Therefore, an index of spectral resemblance with respect to the black body radiation (SR | 10-23-2014 |
20150070701 | Light Quality Evaluating Device - The present invention relates to a light quality evaluating device, comprising a light receiving unit, first processing unit, a memory unit, a second processing unit, a display unit, and a power management unit, and being used for evaluating the light quality light based on physiological perception of human. In evaluating operation, it transfers a power spectrum of the light emitted from a light source to a luminance spectrum of light through a luminosity function. Next, the method compares the luminance spectrum of light with a corresponding luminance spectrum of blackbody radiation thereof. Therefore, an index of spectral resemblance with respect to the black body radiation (SR | 03-12-2015 |