公开(公告)号：US20170162818A1

公开(公告)日：2017-06-08

申请号：US15439675

申请日：2017-02-22

Applicant: JOLED Inc.

Inventor： Yasunori Kijima

IPC: H01L51/50 ,  H01L51/52

CPC classification number: H01L51/5072 ,  H01L51/5012 ,  H01L51/5206 ,  H01L51/5221

Abstract: A display device includes a first electrode, a second electrode, a light-emitting layer, and an organic material layer. The light-emitting layer is included in an organic layer. The organic layer is provided between the first electrode and the second electrode. The organic material layer is provided between the first electrode and the light-emitting layer, and has microcrystallinity.

公开(公告)号：US20170162713A1

公开(公告)日：2017-06-08

申请号：US15320297

申请日：2015-06-17

Applicant: JOLED INC.

Inventor： Mitsutaka MATSUMOTO

IPC: H01L29/786 ,  H01L27/12 ,  H01L21/02 ,  H01L29/24 ,  H01L29/66

CPC classification number: H01L29/78696 ,  H01L21/02565 ,  H01L21/02631 ,  H01L27/1225 ,  H01L27/3262 ,  H01L29/24 ,  H01L29/66969 ,  H01L29/78606 ,  H01L29/7869

Abstract: A thin film transistor includes: a gate electrode; a source electrode and a drain electrode; an oxide semiconductor layer used as a channel layer; and a gate insulating layer disposed between the gate electrode and the oxide semiconductor layer, wherein metallic elements included in the oxide semiconductor layer include at least indium (In), and fluorine (F) is included in a region which is an internal region in the oxide semiconductor layer and is close to the gate insulating layer.

公开(公告)号：US20170148924A1

公开(公告)日：2017-05-25

申请号：US15320319

申请日：2015-06-17

Applicant: JOLED INC.

Inventor： Mitsutaka MATSUMOTO

IPC: H01L29/786 ,  H01L29/66 ,  H01L27/32 ,  H01L29/24

CPC classification number: H01L29/0607 ,  H01L29/36 ,  H01L29/66969 ,  H01L29/78606 ,  H01L29/7869 ,  H01L29/78693 ,  H01L29/78696 ,  H01L33/508 ,  H01L51/50

Abstract: A thin film transistor includes: a gate electrode; a gate insulating layer above the gate electrode; an oxide semiconductor layer disposed above the gate insulating layer; and a source electrode and a drain electrode disposed above the oxide semiconductor layer and electrically connected to the oxide semiconductor layer, wherein metallic elements included in the oxide semiconductor layer include at least indium (In), fluorine is included in a region which is an internal region in the oxide semiconductor layer and is close to the gate insulating layer, and a fluorine concentration of the region close to the gate insulating layer in the oxide semiconductor layer is higher than a fluorine of a contact region for the source electrode or the drain electrode in the oxide semiconductor layer.

公开(公告)号：US20170148855A1

公开(公告)日：2017-05-25

申请号：US15426659

申请日：2017-02-07

Applicant: JOLED Inc.

Inventor： Kimitomo Kaji

IPC: H01L27/32 ,  H01L51/50

CPC classification number: H01L27/3211 ,  H01L27/322 ,  H01L27/3244 ,  H01L51/5036 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/5088 ,  H01L51/5092 ,  H01L51/5246

Abstract: A display unit includes a display region, a peripheral region, an insulating layer, a separating groove, and a sealing section. A plurality of pixels are disposed in the display region. The peripheral region is provided on outer edge side of the display region. The insulating layer extends from the display region to the peripheral region. The separating groove is provided in the peripheral region and separates the insulating layer into an inner peripheral portion and an outer peripheral portion. The sealing section is provided in the outer peripheral portion of the insulating layer and seals the display region. The separating groove has a width that is narrower as a distance is larger from an outer end of the display region to an outer end of the sealing section, and is wider as the distance is smaller.

公开(公告)号：US09659523B2

公开(公告)日：2017-05-23

申请号：US14779767

申请日：2014-07-04

Applicant: JOLED INC.

Inventor： Shinya Ono

IPC: G09G3/30 ,  H02M3/158 ,  G09G3/3233 ,  H02M3/07 ,  H02M1/00

CPC classification number: G09G3/30 ,  G09G3/3233 ,  G09G2300/0842 ,  G09G2330/021 ,  G09G2330/028 ,  H02M3/07 ,  H02M3/158 ,  H02M2001/0048 ,  Y02B70/1491

Abstract: Display panel includes: a power supply unit that generates first power supply voltage and variable second power supply voltage; and first and second power supply lines that transmit the first and second power supply voltages, respectively, to light emitting elements. The power supply unit (i) includes: first and second input terminals; a switching control unit; an inductor having first terminal connected to the second power supply line; a first switch element that switches conduction/non-conduction between a second terminal of the inductor and the first input terminal; a second switch element that switches conduction/non-conduction between the second terminal and the second input terminal; a capacitor having first electrode to which constant voltage is applied; and a third switch element that switches conduction/non-conduction between the second terminal and a second electrode of the capacitor, and (ii) collects, into the capacitor, and regenerates power from parasitic capacitance of the second power supply line.

公开(公告)号：US20170141316A1

公开(公告)日：2017-05-18

申请号：US15347859

申请日：2016-11-10

Applicant: JOLED INC. ,  JAPAN DISPLAY INC.

Inventor： Yasuhiro YAMAUCHI ,  Shinichiro ISHINO ,  Koyo SAKAMOTO ,  Tomohiko ODA

IPC: H01L51/00 ,  B05C5/02 ,  H01L51/56

CPC classification number: H01L51/0029 ,  B05C5/0208 ,  H01L51/0005 ,  H01L51/56

Abstract: A method for manufacturing an organic semiconductor element including applying an organic semiconductor solution to a base is provided. The method includes, before the applying, bringing a pressure of an inert gas close to an ambient pressure while varying the pressure of the inert gas between a negative pressure and a positive pressure with respect to the ambient pressure. The inert gas is contained in a sealed container together with the organic semiconductor solution. The ambient pressure is a pressure of surroundings of the organic semiconductor solution in the applying.

公开(公告)号：US09653021B2

公开(公告)日：2017-05-16

申请号：US14250572

申请日：2014-04-11

Applicant: JOLED Inc.

Inventor： Junichi Yamashita ,  Katsuhide Uchino

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0866 ,  G09G2310/0256 ,  G09G2320/0223 ,  G09G2320/043

Abstract: Disclosed here in is a display apparatus, including, a pixel array section including a plurality of pixels arrayed in rows and columns and each including an electro-optical device, a pixel circuit provided commonly to each plural ones of the pixels in the same pixel row in the pixel array section and including a writing transistor for writing an image signal, a holding capacitor for holding the image signal written by the writing transistor and a driving transistor for driving the electro-optical devices of the plural pixels, and a plurality of scanning circuits configured to time-divisionally and selectively place the electro-optical devices included in the pixels into a forwardly biased state.

公开(公告)号：US20170132987A1

公开(公告)日：2017-05-11

申请号：US15347863

申请日：2016-11-10

Applicant: JOLED INC. ,  JAPAN DISPLAY INC.

Inventor： Toshiyuki KATO

IPC: G09G5/00 ,  H04N5/04

CPC classification number: G09G5/006 ,  G09G5/12 ,  G09G2310/061 ,  G09G2310/08 ,  G09G2360/18 ,  G09G2370/04 ,  H04N5/04 ,  H04N21/242 ,  H04N21/4307 ,  H04N21/4436 ,  H04N21/8547

Abstract: The present disclosure provides a display device driving method and the like that can suppress degradation of display quality at the time of switching to a video based on a video signal from an external signal source. The display device driving method according to the present disclosure includes: receiving a training signal transmitted from an external signal source; after receiving the training signal, transmitting a lock signal to the external signal source at a timing based on an internal synchronization signal of the display device; after transmitting the lock signal, receiving a video signal that is transmitted from the external signal source and is synchronous with an external synchronization signal; and displaying a video by using the video signal received from the external signal source.

公开(公告)号：US20170125746A1

公开(公告)日：2017-05-04

申请号：US15202816

申请日：2016-07-06

Applicant: JOLED INC. ,  JAPAN DISPLAY INC.

Inventor： Toshiaki ONIMARU ,  Tetsuro KONDO

IPC: H01L51/56 ,  H01L51/52

CPC classification number: H01L51/56 ,  H01L51/5203 ,  H01L2251/568

Abstract: Provided is an organic EL display panel manufacturing method. The organic EL display panel includes a plurality of semiconductor elements. The method includes: forming, on a planarization film formed above the semiconductor elements, lower electrodes in one-to-one correspondence with the pixels; forming an organic layer including a light-emitting layer on the lower electrodes; forming an upper electrode on the organic layer; detecting any of the lower electrodes that includes a defect; and forming, on the planarization film or any of the lower electrodes that includes a defect, a protrusion for connecting the lower electrode and the upper electrode.

公开(公告)号：US20170117471A1

公开(公告)日：2017-04-27

申请号：US15125403

申请日：2015-02-26

Applicant: JOLED INC.

Inventor： Masakazu TAKATA ,  Hirotaka NANNO

IPC: H01L51/00 ,  H01L51/56 ,  H01L51/50

CPC classification number: H01L51/0007 ,  H01L51/5012 ,  H01L51/5056 ,  H01L51/5072 ,  H01L51/56 ,  H01L2251/55

Abstract: A solution contains a functional material for constituting a function layer, and a solvent. The solvent contains a high-boiling-point solvent composed of one or more solvent components having a boiling point of not less than 200° C. The high-boiling-point solvent has a viscosity of from 13 mPa·s to 25 mPa·s, inclusive, and a surface tension of from 33 mN/m to 37 mN/m, inclusive.