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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 13. Отображено 11.
28-06-2018 дата публикации

Light Source Module, and Backlight Unit and Liquid Crystal Display Device Including the Same

Номер: US20180180940A1
Автор: MyungWon SEO, Jaeyong CHOI, Kiyong YANG, MinJae KANG, SeungJun LEE
Принадлежит:

Disclosed are a light source module, a backlight unit including the same, and a liquid crystal display device including the same, which prevent image quality and reliability from being degraded. The light source module includes a printed circuit board (PCB), a plurality of light sources mounted on the PCB, an optical member provided on the PCB to surround the plurality of light sources, an antistatic cover supported to the optical member to cover the plurality of light sources, and a ground member grounding the antistatic cover. 1. A light source module comprising:a printed circuit board (PCB);a plurality of light sources on the PCB;an optical member on the PCB, the optical member surrounding the plurality of light sources;an antistatic cover supported to the optical member to cover the plurality of light sources; anda ground member grounding the antistatic cover.3. The light source module of claim 2 , wherein the transparent electrode is provided in a mesh form on the base substrate.41212. The light source module of claim 2 , wherein when a thickness of the base substrate is D claim 2 , a height of the optical member is H claim 2 , a height of each of the plurality of light sources is H claim 2 , and a thermal expansion coefficient of the base substrate is a claim 2 , “D=(H−H)*(1−a*40)” is satisfied.5. The light source module of claim 1 , wherein a top of the PCB is covered by an insulating material.6. The light source module of claim 1 , wherein the antistatic cover has a refractive index of 1.3 to 1.5.7. The light source module of claim 1 , wherein the optical member further comprises one or more supporting parts supporting the antistatic cover between the plurality of light sources.8. A backlight unit comprising:a light source module included a printed circuit board (PCB), a plurality of light sources on the PCB, an optical member on the PCB, the optical member surrounding the plurality of light sources, an antistatic cover supported to the optical member to ...

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Номер записи: 1
20-01-2022 дата публикации

DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME

Номер: US20220020812A1
Автор: KyuOh KWON, SeungHo JANG, Jaeyong CHOI, JaeMin SIM, SeungJun LEE
Принадлежит: LG Display Co., Ltd.

A display device according to an example of the present disclosure includes a substrate on which a plurality of sub-pixels are defined; a plurality of LEDs including a first LED, a second LED, and a third LED that are disposed in the plurality of respective sub-pixels on the substrate; and at least one buffer layer disposed between the first LED and the substrate, wherein the first LED is in contact with an upper surface of the at least one buffer layer, and the second LED and the third LED are in contact with an upper surface of the substrate. Accordingly, the plurality of LEDs emitting light of different colors using the buffer layer can be respectively formed on one substrate, thereby allow for omission of a transfer process. 1. A display device , comprising:a substrate on which a plurality of sub-pixels are defined;a plurality of light emitting diodes (LEDs) including a first LED, a second LED, and a third LED that are disposed in the plurality of respective sub-pixels on the substrate; andat least one buffer layer disposed between the first LED and the substrate,wherein the first LED is in contact with an upper surface of the at least one buffer layer, and the second LED and the third LED are in contact with an upper surface of the substrate.2. The display device of claim 1 , wherein the first LED includes a first n-type semiconductor layer in contact with the upper surface of the at least one buffer layer claim 1 , the second LED includes a second n-type semiconductor layer in contact with the upper surface of the substrate claim 1 , and the third LED includes a third n-type semiconductor layer in contact with the upper surface of the substrate claim 1 , andwherein a difference in lattice constant between the first n-type semiconductor layer and the substrate is greater than a difference in lattice constant between the second n-type semiconductor layer and the substrate, and a difference in lattice constant between the third n-type semiconductor layer and the ...

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Номер записи: 2
28-06-2018 дата публикации

LIGHT SOURCE MODULE, AND BACKLIGHT UNIT AND LIQUID CRYSTAL DISPLAY DEVICE INCLUDING THE SAME

Номер: US20180180791A1
Автор: MinJae KANG, Jaeyong CHOI, MyungWon SEO, Kiyong YANG, SeungJun LEE
Принадлежит: LG Display Co., Ltd.

Disclosed are a light source module, a backlight unit including the same, and an LCD device including the same, which prevent image quality and reliability from being degraded. The light source module includes a plurality of light sources mounted on a printed circuit board (PCB), an optical member provided on the PCB to surround the plurality of light sources, and a conductive member coupled to the optical member. The conductive member includes a protrusion grounding the conductive member. 1. A light source module , comprising:a printed circuit board (PCB);a plurality of light sources on the PCB;an optical member on the PCB, the optical member surrounding the plurality of light sources; anda conductive member coupled to the optical member, the conductive member including a protrusion grounding the conductive member.2. The light source module of claim 1 , wherein the protrusion protrudes to a portion under the PCB through a hole provided in the PCB.3. The light source module of claim 1 , wherein the optical member comprises:a first optical member side surface provided on one side of each of the plurality of light sources;a second optical member side surface provided on another side of each of the plurality of light sources to face the first optical member side surface; andan optical member connecting part provided between adjacent light sources of the plurality of light sources to connect the first optical member side surface to the second optical member side surface.4. The light source module of claim 3 , wherein the optical member connecting part comprises a coupling projection in a lower portion thereof claim 3 , the coupling projection being coupled to a coupling hole provided in the PCB.5. The light source module of claim 4 , whereinthe coupling projection comprises a through hole passing through an inner portion of the coupling projection, andthe protrusion is coupled to the through hole.6. The light source module of claim 5 , whereinthe optical member ...

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Номер записи: 3
07-01-2021 дата публикации

REAL TIME DROP INFORMATION MEASUREMENT UNIT AND REAL TIME DISCHARGING DROPLET COMPENSATING APPARATUS AND METHOD USING THE SAME

Номер: US20210001624A1
Автор: Donghwa LEE, Daigeon YOON, Jaeyong CHOI, Sanguk SON, Daesung KIM, LEE DONGHWA, YOON DAIGEON, CHOI JAEYONG, SON SANGUK, KIM DAESUNG, LEE, Donghwa, YOON, Daigeon, CHOI, Jaeyong, SON, Sanguk, KIM, Daesung
Принадлежит: SEMES Co. Ltd.

The present invention relates to real time discharging droplet compensating apparatus and method capable of compensating a discharging degree in real time by feeding-back drop information. To this end, the present invention provides a real time discharging droplet compensating apparatus which is configured by including a discharge control unit controlling the driving of an inkjet head; and a drop measurement unit provided below a substrate to measure drop information of a droplet to be discharged on the substrate and feed-back the measured drop information to the drop measurement unit, wherein the discharge control unit compensates a nozzle waveform of discharging the droplet by using the drop information. Therefore, according to the present invention, the position, size, and volume information of the drop are measured at the same time to be fed-back to the inkjet head unit in real time, thereby acquiring drop information without movement of a separate head unit.

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Номер записи: 4
14-10-2021 дата публикации

TRANSPARENT MICRO DISPLAY DEVICE

Номер: US20210320228A1
Автор: KyuOh KWON, Junghun CHOI, Jaeyong CHOI, SeungJun LEE
Принадлежит: LG Display Co., Ltd.

Discussed herein is a transparent light emitting diode (LED) display device. A capacitor of a pixel-driving circuit is integrated with an LED, and thus that the area of the pixel-driving circuit is reduced, and the transmission area is increased. In this manner, it is possible to achieve high transmittance without compromising the display quality.

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Номер записи: 5
07-01-2021 дата публикации

SAMPLE EXTRACTING DEVICE AND RESIDUAL SOLVENT MEASURING APPARATUS INCLUDING THE SAME

Номер: US20210001328A1
Автор: Daigeon YOON, Donghwa LEE, Jaeyong CHOI, Sanguk SON, YOON DAIGEON, LEE DONGHWA, CHOI JAEYONG, SON SANGUK, YOON, Daigeon, LEE, Donghwa, CHOI, Jaeyong, SON, Sanguk
Принадлежит: SEMES Co. Ltd.

The present invention relates to a sample extracting device and a residual solvent measuring apparatus including the same. The a residual solvent measuring apparatus of the present invention includes a sample extracting device moving on a substrate to extract a solidified sample in a liquid state on the substrate and a component analyzing unit analyzing components of the extracted sample, wherein the sample extracting device includes a coating unit coating a liquid chemical for dissolving the solidified sample on the substrate and a recovering unit recovering the liquid chemical in which the sample is dissolved on the substrate.

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Номер записи: 6
07-01-2021 дата публикации

INK TANK FOR LIQUID CHEMICAL DISCHARGING APPARATUS AND LIQUID CHEMICAL DISCHARGING APPARATUS INCLUDING THE SAME

Номер: US20210001634A1
Автор: Donghwa LEE, Daigeon YOON, Jaeyong CHOI, Sanguk SON, Kihoon CHOI, Daesung KIM, LEE DONGHWA, YOON DAIGEON, CHOI JAEYONG, SON SANGUK, CHOI KIHOON, KIM DAESUNG, LEE, Donghwa, YOON, Daigeon, CHOI, Jaeyong, SON, Sanguk, CHOI, Kihoon, KIM, Daesung
Принадлежит: SEMES Co. Ltd.

An ink tank for a liquid chemical discharging apparatus capable of preventing equipment failure and improving durability by preventing scattering and backflow of a liquid chemical. To this end, the present invention provides an ink tank for a liquid chemical discharging apparatus including: a liquid chemical receiving portion in which a liquid chemical is stored; a liquid chemical discharge port supplying the liquid chemical to an inkjet head; a pressure control port for controlling pressure of the liquid chemical receiving portion; and a partition wall which is provided in the liquid chemical receiving portion to partition the liquid chemical receiving portion. According to the present invention, it is possible to prevent contamination due to a liquid chemical by suppressing the liquid chemical from sloshing and improve durability of an ink tank by preventing the liquid chemical contained therein from flowing backward out of the ink tank. 1. An ink tank for a liquid chemical discharging apparatus comprising:a liquid chemical receiving portion in which a liquid chemical is stored;a liquid chemical discharge port supplying the liquid chemical to an inkjet head;a pressure control port for controlling pressure of the liquid chemical receiving portion; anda partition wall which is provided in the liquid chemical receiving portion to partition the liquid chemical receiving portion.2. The ink tank for the liquid chemical discharging apparatus of claim 1 , wherein a plurality of scattering prevention holes are formed in the partition wall to prevent the scattering of the liquid chemical.3. The ink tank for the liquid chemical discharging apparatus of claim 2 , wherein a scattering prevention hole located in the upper direction among the plurality of scattering prevention holes is formed larger than the size of the scattering prevention hold located in the lower direction among the plurality of scattering prevention holes.4. The ink tank for the liquid chemical discharging ...

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Номер записи: 7
26-06-2024 дата публикации

Inkjet printhead

Номер: EP4389425A1
Автор: Baek Hoon Seong, Byungjik LIM, Do Young Byun, Jaewoo Joung, Jaeyong Choi, Mohiuddin Khalil SHAHEER
Принадлежит: Enjet Co Ltd

Disclosed is an inkjet printhead. The inkjet printhead with a plurality of nozzles (100) to eject a liquid solution by an electrohydrodynamic method includes: a first electrode (120) formed for each of the plurality of nozzles (100) and applied with a voltage for ejecting the liquid solution by the electrohydrodynamic method; a first voltage controller (150) configured to apply the voltage to the first electrode; and a second electrode (130) placed between and spaced apart from the first electrodes (120) formed in the nozzles (100) and grounded to prevent electric field interference between the nozzles.

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Номер записи: 8
27-06-2024 дата публикации

Inkjet printhead

Номер: US20240208213A1
Автор: Baek Hoon Seong, Byungjik LIM, Do Young Byun, Jaewoo Joung, Jaeyong Choi, Shaheer MOHIUDDIN KHALIL
Принадлежит: Enjet Co Ltd

Disclosed is an inkjet printhead. The inkjet printhead with a plurality of nozzles to eject a liquid solution by an electrohydrodynamic method includes: a first electrode formed for each of the plurality of nozzles and applied with a voltage for ejecting the liquid solution by the electrohydrodynamic method; a first voltage controller configured to apply the voltage to the first electrode; and a second electrode placed between and spaced apart from the first electrodes formed in the nozzles and grounded to inhibit electric field interference between the nozzles.

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Номер записи: 9
18-08-2011 дата публикации

Discharging nozzle and electrostatic field induction ink-jet nozzle

Номер: US20110199433A1
Автор: Hanseo Ko, Jaeyong Choi, Ki Chul An, Sang Uk Son, Soo Hong Lee, Sukhan Lee, Yong Jae Kim
Принадлежит: Sungkyunkwan University Foundation For Corporate Collaboration

A nozzle and an electrostatic field induction ink-jet nozzle are disclosed. In accordance with an embodiment of the present invention, the nozzle includes a concave part, which is formed along an outer circumference of the nozzle and in which the outer circumference is adjacent to a liquid discharging surface. The discharging nozzle can minimize the overflow and damping by a liquid during a process of discharging the liquid and thus maintain the discharging performance constant despite an extended operation of the nozzle.

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Номер записи: 10
12-11-2013 дата публикации

Discharging nozzle and electrostatic field induction ink-jet nozzle

Номер: US8579411B2
Автор: Hanseo Ko, Jaeyong Choi, Ki Chul An, Sang Uk Son, Soo Hong Lee, Sukhan Lee, Yong Jae Kim
Принадлежит: Sungkyunkwan University Foundation For Corporate Collaboration

A nozzle and an electrostatic field induction ink-jet nozzle are disclosed. In accordance with an embodiment of the present invention, the nozzle includes a concave part, which is formed along an outer circumference of the nozzle and in which the outer circumference is adjacent to a liquid discharging surface. The discharging nozzle can minimize the overflow and damping by a liquid during a process of discharging the liquid and thus maintain the discharging performance constant despite an extended operation of the nozzle.

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Номер записи: 11