公开(公告)号：US20240196576A1

公开(公告)日：2024-06-13

申请号：US18532200

申请日：2023-12-07

申请人： LG Display Co., Ltd.

发明人： Sungsik SON

IPC分类号： H05K7/20 ,  H10K59/126 ,  H10K59/95 ,  H10K102/00

CPC分类号： H05K7/20963 ,  H10K59/126 ,  H10K59/95 ,  H10K2102/361

摘要： A display device includes a cover window; a first display module and a second display module attached to a lower surface of the cover window; a heat-dissipating plate attached to the first display module and the second display module; and a core plate disposed under the cover window and configured to receive the first display module, the second display module, and the heat-dissipating plate thereon, wherein a heat-dissipating plate includes: a first flat portion attached to the first display module; a second flat portion attached to the second display module; and a bridge connecting the first flat portion and the second flat portion to each other and having a shape different from a shape of each of the first flat portion and the second flat portion.

公开(公告)号：US11758747B2

公开(公告)日：2023-09-12

申请号：US17412460

申请日：2021-08-26

申请人： BOE TECHNOLOGY GROUP CO., LTD.

发明人： Shu Jing ,  Xiaobo Du

IPC分类号： H01L51/50 ,  H10K50/13 ,  H10K50/19 ,  H10K71/00 ,  H10K85/60 ,  H10K101/30 ,  H10K102/00

CPC分类号： H10K50/131 ,  H10K50/19 ,  H10K71/00 ,  H10K85/60 ,  H10K85/626 ,  H10K85/631 ,  H10K85/633 ,  H10K85/6572 ,  H10K2101/30 ,  H10K2102/351 ,  H10K2102/361

摘要： The present disclosure provides a light emitting device including: a first electrode; a first light emitting layer on a side of the first electrode; an N-type charge generation layer on a side of the first light emitting layer distal to the first electrode; a P-type charge generation layer on a side of the N-type charge generation layer distal to the first light emitting layer; a second light emitting layer on a side of the P-type charge generation layer distal to the N-type charge generation layer; and a second electrode on a side of the second light emitting layer distal to the P-type charge generation layer. The N-type charge generation layer includes a host material which has a lowest unoccupied molecular orbital energy level less than or equal to −2.9 and a glass transition temperature greater than 130° C.

公开(公告)号：US20240188366A1

公开(公告)日：2024-06-06

申请号：US17759856

申请日：2022-06-30

申请人： WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.

发明人： Yongbo Wu

IPC分类号： H10K59/38 ,  H10K59/126 ,  H10K59/80 ,  H10K102/00

CPC分类号： H10K59/38 ,  H10K59/126 ,  H10K59/873 ,  H10K2102/361

摘要： A display panel is provided by the present application, the display panel includes a display area, and a non-display area located on a side of the display area, and further includes an array substrate and a color filter layer disposed on both sides of a light-emitting structure layer, the light-emitting structure layer includes light-emitting pixels located in the display area; the color filter layer includes a light-shielding part, blocking parts, and color resist parts; the light-shielding part is defined in first openings corresponding to the light-emitting pixels and in second openings defined in the non-display area; the color resist parts are located in the first openings, and the blocking parts are located in the second openings.

公开(公告)号：US11744139B2

公开(公告)日：2023-08-29

申请号：US17484893

申请日：2021-09-24

申请人： LG Display Co., Ltd.

发明人： Jun-Sik Hwang ,  Nam Ki ,  Chang-Woo Chun ,  Eun-Ji Sim ,  Soo-Hyuk Choi

IPC分类号： C07D409/14 ,  H10K71/60 ,  H10K50/11 ,  H10K50/16 ,  H10K50/17 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/131 ,  H10K59/121 ,  H10K71/00 ,  H10K85/60 ,  H10K102/00

CPC分类号： H10K71/60 ,  C07D409/14 ,  H10K50/11 ,  H10K50/16 ,  H10K50/171 ,  H10K50/813 ,  H10K50/822 ,  H10K50/844 ,  H10K59/1213 ,  H10K59/131 ,  H10K71/00 ,  H10K85/654 ,  H10K85/655 ,  H10K85/6572 ,  H10K85/6576 ,  H10K59/121 ,  H10K59/1315 ,  H10K2102/361

摘要： A phase-transition optical isomer compound is described, a transparent EL display device including the phase-transition optical isomer compound and a method of fabricating the EL display device, where a phase of the phase-transition optical isomer compound is transited by light irradiation and a second electrode of the EL display device is selectively deposited without a masking process.

公开(公告)号：US20240349563A1

公开(公告)日：2024-10-17

申请号：US18526013

申请日：2023-12-01

申请人： Samsung Display Co., LTD.

发明人： Sangho JEON ,  Yo Sub KO ,  Jungmin MOON ,  Jeong Su PARK ,  Dong Hoon KIM

IPC分类号： H10K59/35 ,  G09G3/3241

CPC分类号： H10K59/35 ,  G09G3/3241 ,  H10K2101/40 ,  H10K2102/361

摘要： A display device includes a red pixel, a green pixel, and a blue pixel comprising a plurality of transistors and an organic light emitting element. The organic light emitting element has a value of a temperature sensitive factor (TSF) in a range of about 0.25×10−1 Cd·m2/V to about 0.51×10−1 Cd·m2/V as shown in a following equation:






T
⁢
S
⁢
F

=


d
⁡
(


Δ
⁢

L
⁡
(

c
,
T

)



Δ
⁢

J
⁡
(

c
,
T

)



)


dV
⁡
(
c
)



,




where, ΔJ is the amount of change in current density, ΔL is the amount of change in luminance, V is the voltage, a variable c is the color, and T is a temperature.

公开(公告)号：US12108616B2

公开(公告)日：2024-10-01

申请号：US17450151

申请日：2021-10-06

申请人： Samsung Display Co., Ltd.

发明人： Yongil Kim

IPC分类号： H10K50/115 ,  H10K59/122 ,  H10K59/38 ,  H10K71/00 ,  H10K102/00

CPC分类号： H10K50/115 ,  H10K71/00 ,  H10K59/122 ,  H10K59/38 ,  H10K2102/361

摘要： A light emitting element (e.g., light emitting diode) includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region and containing a quantum dot complex, an electron transport region on the emission layer, and a second electrode on the electron transport region, wherein the quantum dot complex contains two or more quantum dots each including a core and a shell surrounding the core, the shell of one quantum dot is combined with a shell of at least one neighboring quantum dot, and the light emitting element (e.g., light emitting diode) may thus have improved luminous efficiency and service life.

公开(公告)号：US11807767B2

公开(公告)日：2023-11-07

申请号：US17254058

申请日：2019-09-27

申请人： LG Chem, Ltd.

发明人： Ji Young Jung ,  Mi Kyoung Kim

IPC分类号： C09D11/50 ,  C09D11/033 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  C09D11/52 ,  C09K11/06 ,  H10K85/60 ,  H10K71/00 ,  H10K71/15 ,  H10K71/13 ,  H10K102/00

CPC分类号： C09D11/50 ,  C09D11/033 ,  C09D11/037 ,  C09D11/322 ,  C09D11/38 ,  C09D11/52 ,  C09K11/06 ,  H10K85/633 ,  C09K2211/1007 ,  C09K2211/1011 ,  C09K2211/1014 ,  H10K71/00 ,  H10K71/135 ,  H10K71/15 ,  H10K85/626 ,  H10K2102/361

摘要： The present invention relates to an ink composition for an organic light emitting device that can be applied to an inkjet process. The ink composition comprises a compound represented by the following Chemical Formula 1, a first solvent of aromatic esters having a boiling point of 260 to 400° C., and a second solvent of aliphatic ethers or aliphatic esters having a boiling point of 200 to 400° C., wherein the boiling point of the first solvent is higher than that of the second solvent. When this is applied to an inkjet process, it can form a flat film with a smooth surface when dried after forming the ink film.




wherein L, L1 to L4, Ar1, Ar2, R1 to R4, Y1 to Y4, and n1 to n4 are described herein.

公开(公告)号：US11793011B2

公开(公告)日：2023-10-17

申请号：US17387281

申请日：2021-07-28

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Sung Woo Kim ,  Tae Ho Kim ,  Eun Joo Jang ,  Hongkyu Seo ,  Sang Jin Lee ,  Dae Young Chung ,  Oul Cho

IPC分类号： H10K50/115 ,  H10K50/11 ,  H10K50/81 ,  H10K50/82 ,  H10K50/17 ,  H10K50/18 ,  H10K101/40 ,  H10K101/30 ,  H10K71/00 ,  H10K50/15 ,  H10K71/12 ,  H10K85/10 ,  H10K102/00

CPC分类号： H10K50/115 ,  H10K50/11 ,  H10K50/171 ,  H10K50/81 ,  H10K50/82 ,  H10K71/00 ,  H10K50/15 ,  H10K50/17 ,  H10K50/18 ,  H10K71/12 ,  H10K85/115 ,  H10K85/1135 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/00 ,  H10K2102/331 ,  H10K2102/351 ,  H10K2102/361

摘要： A quantum dot device includes: a first electrode and a second electrode facing each other; a quantum dot layer between the first electrode and the second electrode, and an electron auxiliary layer between the quantum dot layer and the second electrode, the electron auxiliary layer including a first nanoparticle and a second nanoparticle which is larger than the first nanoparticle, wherein a work function of the first electrode is greater than a work function of the second electrode, and wherein a difference between a lowest unoccupied molecular orbital energy level of the quantum dot layer and a lowest unoccupied molecular orbital energy level of the electron auxiliary layer is less than about 1.1 electronvolts.

公开(公告)号：US11787965B2

公开(公告)日：2023-10-17

申请号：US16497879

申请日：2018-03-29

申请人： Novaled GmbH

发明人： Kay Lederer ,  Steffen Runge ,  Jerome Ganier ,  Anke Limbach

IPC分类号： C09D11/52 ,  C09D11/102 ,  C09D11/38 ,  H01L27/30 ,  H01L27/32 ,  H01L51/00 ,  H01L51/50 ,  H10K39/10 ,  H10K59/122 ,  H10K59/173 ,  H10K85/60 ,  H10K85/10 ,  H10K85/30 ,  H10K50/11 ,  H10K50/17 ,  H10K50/155 ,  H10K71/13 ,  H10K101/30 ,  H10K101/40 ,  H10K102/00

CPC分类号： C09D11/52 ,  C09D11/102 ,  C09D11/38 ,  H10K39/10 ,  H10K59/122 ,  H10K59/173 ,  H10K85/115 ,  H10K85/151 ,  H10K85/341 ,  H10K85/60 ,  H10K85/615 ,  H10K50/11 ,  H10K50/155 ,  H10K50/17 ,  H10K71/135 ,  H10K2101/30 ,  H10K2101/40 ,  H10K2102/361

摘要： The present invention is directed to an ink composition for forming an organic semiconductor layer, wherein the ink composition comprises: —at least one p-type dopant comprising electron withdrawing groups; —at least one first auxiliary compound, wherein the first auxiliary compound is an aromatic nitrile compound, wherein the aromatic nitrile compound has about ≥1 to about ≤3 nitrile groups and a melting point of about

公开(公告)号：US11730006B2

公开(公告)日：2023-08-15

申请号：US17096616

申请日：2020-11-12

申请人： LG Display Co., Ltd.

发明人： Gyeong-Woo Kim ,  Hong-Seok Choi ,  Seung-Ryong Joung ,  Yoon-Deok Han ,  Jun-Ho Lee ,  Ji-Seon Jang

IPC分类号： H10K50/11 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  H10K101/10 ,  H10K101/00 ,  H10K102/00

CPC分类号： H10K50/11 ,  C09K11/06 ,  H10K50/12 ,  H10K50/13 ,  H10K2101/10 ,  H10K2101/90 ,  H10K2102/361

摘要： Disclosed are an organic light emitting device and a display device using the same in which a light emitting layer includes a host and a plurality of dopants. In the light emitting layer, energy is transferred from a host and other dopants to one dopant by energy transfer system, thus it is possible to increase luminous efficacy of a single color and to increase lifetime of emission.