公开(公告)号：US10535315B2

公开(公告)日：2020-01-14

申请号：US16056632

申请日：2018-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Joon-Hyung Park ,  Sun Young Kwon ,  Min-Hee Kim ,  Ji Hong Bae ,  Jong Ho Son ,  Keun Chan Oh ,  Kyung Hee Lee ,  Kang Seob Jeong ,  Kyung Seon Tak

IPC: G02F1/1362 ,  G09G3/00 ,  G09G3/36 ,  G02F1/1343

Abstract: A display device including a liquid crystal panel assembly including a plurality of pixels, a data driver applying a data voltage to a plurality of data lines which is connected to the plurality of pixels, and a common voltage generator providing a common voltage to the liquid crystal panel assembly, in which the common voltage is an optimal common voltage for a maximum grayscale at which a flicker is minimized while a data voltage with a maximum grayscale is applied to the plurality of pixels.

公开(公告)号：US11479721B2

公开(公告)日：2022-10-25

申请号：US17017601

申请日：2020-09-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Min Kim ,  Sung Jae Yun ,  Kang Seob Jeong ,  Jin Suek Kim ,  Heung Shik Park

IPC: G02F1/1333 ,  C09K19/30 ,  G02F1/1334 ,  G02F1/137 ,  C09K19/04 ,  G09G3/36

Abstract: A liquid crystal composition includes the following compounds: (in a range of 21.5 to 26.5 parts by weight) a compound represented by a first chemical formula, (in a range of 2.5 to 7.5 parts by weight) a compound represented by a second chemical formula, (in a range of 12.5 to 17.5 parts by weight) a compound represented by a third chemical formula, (in a range of 5.5 to 10.5 parts by weight) a compound represented by a fourth chemical formula, (in a range of 7.5 to 12.5 parts by weight) a compound represented by a fifth chemical formula, (in a range of 2 to 7 parts by weight) a compound represented by a sixth chemical formula, (in a range of 10.5 to 15.5 parts by weight) a compound represented by a seventh chemical formula, and (in a range of 13 to 18 parts by weight) an compound represented by an eighth chemical formula 8.

公开(公告)号：US10061145B2

公开(公告)日：2018-08-28

申请号：US15356964

申请日：2016-11-21

Applicant: Samsung Display Co. Ltd.

Inventor： Si Heun Kim ,  Soon Joon Rho ,  Jong Ho Son ,  Kyung Hae Park ,  Joon Hyung Park ,  Beom Soo Shin ,  Hye Lim Jang ,  Kang Seob Jeong

IPC: G02F1/1333 ,  G02F1/133 ,  C09K19/30 ,  C09K19/56 ,  C09K19/60 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/139 ,  G02F1/00 ,  G02F1/1362 ,  C09K19/04 ,  C09K19/12 ,  C09K19/52 ,  G02F1/137

CPC classification number: G02F1/13306 ,  C09K19/3098 ,  C09K19/56 ,  C09K19/60 ,  C09K19/601 ,  C09K19/603 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  C09K2019/523 ,  G02F1/0045 ,  G02F1/133512 ,  G02F1/133514 ,  G02F1/133723 ,  G02F1/1339 ,  G02F1/13394 ,  G02F1/134336 ,  G02F1/13439 ,  G02F1/136286 ,  G02F1/1368 ,  G02F1/1393 ,  G02F2001/133726 ,  G02F2001/13398 ,  G02F2001/13712 ,  G02F2001/13775 ,  G02F2201/121 ,  G02F2201/123

Abstract: A liquid crystal display device, including: a display substrate including a first base substrate, a switching device disposed on the first base substrate, a color filter layer disposed on the switching device, and a first electrode disposed on the color filter layer; a counter display substrate including a second base substrate and a second electrode disposed on the second base substrate and facing the first electrode, wherein the counter display substrate is disposed separately from and facing the display substrate; a liquid crystal layer disposed between the display substrate and the counter display substrate, wherein the liquid crystal layer includes at least one first liquid crystal compound represented by Formula 1 and at least one second liquid crystal compound represented by Formula 2; and a light-shielding spacer disposed between the display substrate and the counter display substrate and maintaining a thickness of the liquid crystal layer: wherein in Formula 1 and Formula 2, each of R11—*, R12—*, L11-*, L12-*, L13-*, L14-*, R21—*, *-L21-*, m, n, i, j, o is same as defined in the specification.

公开(公告)号：US09605206B2

公开(公告)日：2017-03-28

申请号：US14806843

申请日：2015-07-23

Applicant: Samsung Display Co., Ltd.

Inventor： Kang Seob Jeong ,  Kyung Seon Tak ,  Min-Hee Kim ,  Kyung Hee Lee ,  Sun Young Kwon ,  Joon-Hyung Park ,  Ji Hong Bae ,  Jong Ho Son ,  Keun Chan Oh

IPC: C09K11/06 ,  C09K19/30 ,  G02F1/1341 ,  C09K19/04 ,  C09K19/12

CPC classification number: C09K19/3003 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/3009 ,  C09K2019/3027 ,  G02F1/1341

Abstract: A liquid crystal composition includes a first class including a first compound represented by Chemical Formula 1, wherein the first compound is 13 to 18 parts by weight based on 100 parts by weight of the total liquid crystal composition, and a second compound represented by Chemical Formula 2, wherein the second compound is 8 to 13 parts by weight based on 100 parts by weight of the total liquid crystal composition, a second class including a third compound represented by Chemical Formula 3. Chemical Formulas 1, 2, and 3 are represented by: and wherein R and R′ are, independently of each other, a hydrogen atom, or an unsubstituted or substituted C1 to C7 alkyl group.

公开(公告)号：US10234729B2

公开(公告)日：2019-03-19

申请号：US15340414

申请日：2016-11-01

Applicant: Samsung Display Co. Ltd.

Inventor： Beom Soo Shin ,  Hye Lim Jang ,  Young Joo Jeon ,  Kang Seob Jeong

IPC: G02F1/137 ,  G02F1/1333 ,  G02F1/1335 ,  G02F1/1337 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1368

Abstract: A liquid crystal display device includes a first substrate including one surface, a second substrate including one surface and the other surface, a first alignment layer which is disposed on the one surface of the first substrate, includes a polymeric material, and has a first thickness, a first photocured layer disposed on the first alignment layer, a second alignment layer which is disposed on the one surface of the second substrate, and includes a polymeric material same as the polymeric material in the first alignment layer, and which has a second thickness less than the first thickness, a second photocured layer disposed on the second alignment layer, and a liquid crystal layer which includes first liquid crystal molecules and second liquid crystal molecules further vertically aligned than the first liquid crystal molecules in an initial aligned state.

公开(公告)号：US10062346B2

公开(公告)日：2018-08-28

申请号：US14743650

申请日：2015-06-18

Applicant: Samsung Display Co., Ltd.

Inventor： Joon-Hyung Park ,  Sun Young Kwon ,  Min-Hee Kim ,  Ji Hong Bae ,  Jong Ho Son ,  Keun Chan Oh ,  Kyung Hee Lee ,  Kang Seob Jeong ,  Kyung Seon Tak

IPC: G09G3/36 ,  G09G3/00 ,  G02F1/1362 ,  G02F1/1343

CPC classification number: G09G3/3655 ,  G02F1/13624 ,  G02F2001/134345 ,  G09G3/006 ,  G09G2300/0447 ,  G09G2300/0469 ,  G09G2320/0257

Abstract: A display device including: a liquid crystal panel assembly including pixels; a data driver applying a data voltage to lines which is connected to the pixels; and a common voltage generator providing voltage to the liquid crystal panel assembly, in which the voltage is an optimal voltage for a maximum grayscale at which a flicker is minimized while a maximum grayscale is applied to the pixels, the data driver applies the data voltage with the minimum grayscale to the data lines so that a negative data voltage with a minimum grayscale is higher than the common voltage by a first voltage level or more, and each of the pixels includes a first subpixel and a second subpixel, and when the data voltage is applied to the pixel, a pixel voltage of the first subpixel and a pixel voltage of the second subpixel are different.

公开(公告)号：US10444571B2

公开(公告)日：2019-10-15

申请号：US15236709

申请日：2016-08-15

Applicant: Samsung Display Co. Ltd.

Inventor： Joon Hyung Park ,  Kang Seob Jeong ,  Jong Ho Son

IPC: G02F1/1337 ,  C09K19/54 ,  C09K19/56 ,  C09K19/04 ,  C09K19/12

Abstract: A liquid crystal display, including: a first substrate, and a second substrate facing the first substrate; a liquid crystal layer disposed between the first substrate and the second substrates; a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate; and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate, wherein: at least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes reactive mesogens; and the liquid crystal layer includes an antioxidant.

公开(公告)号：US20180342219A1

公开(公告)日：2018-11-29

申请号：US16056632

申请日：2018-08-07

Applicant: Samsung Display Co., Ltd.

Inventor： Joon-Hyung Park ,  Sun Young Kwon ,  Min-Hee Kim ,  Ji Hong Bae ,  Jong Ho Son ,  Keun Chan Oh ,  Kyung Hee Lee ,  Kang Seob Jeong ,  Kyung Seon Tak

IPC: G09G3/36 ,  G09G3/00 ,  G02F1/1362

CPC classification number: G09G3/3655 ,  G02F1/13624 ,  G02F2001/134345 ,  G09G3/006 ,  G09G2300/0447 ,  G09G2300/0469 ,  G09G2320/0257

Abstract: A display device including a liquid crystal panel assembly including a plurality of pixels, a data driver applying a data voltage to a plurality of data lines which is connected to the plurality of pixels, and a common voltage generator providing a common voltage to the liquid crystal panel assembly, in which the common voltage is an optimal common voltage for a maximum grayscale at which a flicker is minimized while a data voltage with a maximum grayscale is applied to the plurality of pixels.

公开(公告)号：US10007148B2

公开(公告)日：2018-06-26

申请号：US14480805

申请日：2014-09-09

Applicant: Samsung Display Co., Ltd.

Inventor： Joon-Hyung Park ,  Kyung Seon Tak ,  Kang Seob Jeong ,  Min-Hee Kim

IPC: G02F1/1333 ,  G02F1/1337 ,  C09K19/12 ,  C09K19/06 ,  C09K19/32 ,  C09K19/54 ,  C09K19/30 ,  C09K19/04 ,  G02F1/1343

CPC classification number: G02F1/1337 ,  C09K19/062 ,  C09K19/12 ,  C09K19/32 ,  C09K19/54 ,  C09K2019/0448 ,  C09K2019/122 ,  C09K2019/3004 ,  G02F2001/134318

Abstract: A liquid crystal composition includes a first compound expressed by following Chemical Formula 1 and about 0.001 wt % to about 0.05 wt % of a second compound expressed by following Chemical Formula 2, where A and B are a cyclo-hexyl group or a phenyl group, m is 0 to 4, n is 1 to 2, X is an alkyl group or an alkoxy group, and Y is one or two fluorine (F) or chlorine (Cl) atoms, and where n is 0 to 2, I is 0 to 1, Z is a halogen group, an alkyl group, or an alkoxy group, and A and A′ are methyl groups that do not independently exist.

公开(公告)号：US09988576B2

公开(公告)日：2018-06-05

申请号：US15186983

申请日：2016-06-20

Applicant: Samsung Display Co. Ltd.

Inventor： Soon Joon Rho ,  Joon Hyung Park ,  Jong Ho Son ,  Beom Soo Shin ,  Kang Seob Jeong ,  Si Heun Kim ,  Kyung Hae Park ,  Keun Chan Oh ,  Hye Lim Jang

IPC: G02F1/1333 ,  C09K19/30 ,  G02F1/1337 ,  G02F1/1339 ,  G02F1/1368 ,  C09K19/12

CPC classification number: C09K19/3003 ,  C09K2019/122 ,  C09K2019/123 ,  C09K2019/3004 ,  C09K2019/301 ,  C09K2019/3016 ,  C09K2019/3027 ,  G02F1/133711 ,  G02F1/13394 ,  G02F1/1368 ,  G02F2001/13398

Abstract: A liquid crystal display device comprises a display panel including a first base substrate, a switching element disposed on the first base substrate, a color filter layer disposed on the switching element, and a pixel electrode disposed on the color filter layer; a counter display panel including a second base substrate and a common electrode disposed on the second base substrate and facing the display panel; a liquid crystal layer disposed between the display panel and the counter display panel and having negative dielectric anisotropy, wherein the liquid crystal layer includes at least one compound represented by Formula 1 below, and the liquid crystal layer does not include a compound represented by Formula A below; and a light-blocking spacer disposed on the display panel and including an area overlapping the switching element, and maintaining the thickness of the liquid crystal layer.