Patents by Inventor Min-Jeong Hwang
Min-Jeong Hwang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240147198Abstract: A method for sharing data in a transmitting-side electronic device communicating with a receiving-side electronic device is provided. The method includes connecting a voice call with the receiving-side electronic device; obtaining a sharing object to be shared with the receiving-side electronic device; and transmitting data corresponding to the sharing object to the receiving-side electronic device through a data session formed based on information related to the voice call.Type: ApplicationFiled: January 5, 2024Publication date: May 2, 2024Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Jung-kih HONG, Min-Seok KIM, Ho-Jun LEE, Su-Jeong LIM, Deok-Ho KIM, Cheol-Ju HWANG, Yeul-Tak SUNG
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Publication number: 20240081146Abstract: An organic light emitting diode (OLED) includes an emissive layer with at least one emitting part includes at least one emitting material layer, a first electron transport layer and a second electron transport layer disposed sequentially between two facing electrodes, wherein the first electron transport layer includes a first electron transporting material of a benzimidazole-based compound substituted with at least one spiro-structured fluorenyl group and the second electron transport layer includes a second electron transporting material of a benzimidazole-based compound substituted with at least one anthracenyl group. The first electron transport including the first electron transport material with excellent thermal stability is disposed adjacently to the emitting material layer so that the OLED can maintain good luminescent intensity in an environment of high temperature and implement beneficial luminous properties.Type: ApplicationFiled: July 6, 2023Publication date: March 7, 2024Inventors: Yu-Jeong LEE, Jung-Keun KIM, Mi-Young HAN, Min-Hyeong HWANG
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Patent number: 8974858Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.Type: GrantFiled: July 17, 2013Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Wan Park, You-Min Cha, Won-Seok Cho, Jae-Mork Park, Jae-Hong Ahn, Min-Jeong Hwang, Tae-Wook Kim, Jong-Woo Lee, Tae-Seung Kim
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Patent number: 8961692Abstract: Provided is an evaporating apparatus that deposits a deposition material onto a treatment object. The evaporating apparatus includes a base, a deposition source, and first and second correction units. The deposition source deposits the deposition material onto the treatment object. The base is disposed separately from the treatment object. The deposition source is placed on a surface of the base. The first and second correction units located between the deposition source and the treatment object. The first and second correction units are disposed on outer regions of the deposition source and face each other. Each of the first and second correction units rotates to control the thickness of a layer formed by the deposition material deposited on the treatment object.Type: GrantFiled: March 26, 2010Date of Patent: February 24, 2015Assignee: Samsung Display Co., Ltd.Inventors: Jae-Wan Park, You-Min Cha, Jae-Hong Ahn, Won-Seok Cho, Jae-Mork Park, Min-Jeong Hwang
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Patent number: 8899174Abstract: A device for manufacturing a display device includes a deposition source; a deposition thickness calculator for calculating a deposition thickness of a deposition material deposited on a substrate; and a controller for controlling a power of a heater which heats the deposition source by comparing the deposition thickness calculated with a reference thickness. The controller controls the power of the heater either at least one time for each substrate on which the thin film is to be deposited or at regular intervals while the deposition material is deposited. Influence of measurement noise that is included in a quartz crystal sensor for measuring a deposition speed may be minimized, and distribution of deposition thickness of an organic light emitting material may be reduced, thereby increasing the yield of the deposition process and producing quality display devices.Type: GrantFiled: October 1, 2010Date of Patent: December 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Won-Hyouk Jang, Eu-Gene Kang, Joo-Hwa Lee, Min-Jeong Hwang
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Patent number: 8632854Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.Type: GrantFiled: July 15, 2013Date of Patent: January 21, 2014Assignee: Samsung Display Co., Ltd.Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
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Patent number: 8623455Abstract: A multiple vacuum evaporation coating device and a method for controlling the same. The vacuum evaporation coating device includes a plurality of evaporation sources, a rotating part adapted to rotate the plurality of evaporation sources and a coating block plate adapted to block all but one of said plurality of evaporation sources at any time, each of the plurality of evaporation sources comprise a case, a melting pot arranged within said case, an evaporation material arranged within the melting pot, a heating device arranged outside the melting pot and adapted to heat and evaporate the evaporation material, and a cooling device adapted to block heat generated by the heating device from transferring to an outside.Type: GrantFiled: August 23, 2011Date of Patent: January 7, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sung-Ho Lee, Su-Hwan Kim, Min-Jeong Hwang
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Publication number: 20130309403Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.Type: ApplicationFiled: July 17, 2013Publication date: November 21, 2013Inventors: Jae-Wan PARK, You-Min CHA, Won-Seok CHO, Jae-Mork PARK, Jae-Hong AHN, Min-Jeong HWANG, Tae-Wook KIM, Jong-Woo LEE, Tae-Seung KIM
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Publication number: 20130302134Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.Type: ApplicationFiled: July 15, 2013Publication date: November 14, 2013Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
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Patent number: 8512473Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.Type: GrantFiled: September 14, 2010Date of Patent: August 20, 2013Assignee: Samsung Display Co., Ltd.Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
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Publication number: 20110305834Abstract: A multiple vacuum evaporation coating device and a method for controlling the same. The vacuum evaporation coating device includes a plurality of evaporation sources, a rotating part adapted to rotate the plurality of evaporation sources and a coating block plate adapted to block all but one of said plurality of evaporation sources at any time, each of the plurality of evaporation sources comprise a case, a melting pot arranged within said case, an evaporation material arranged within the melting pot, a heating device arranged outside the melting pot and adapted to heat and evaporate the evaporation material, and a cooling device adapted to block heat generated by the heating device from transferring to an outside.Type: ApplicationFiled: August 23, 2011Publication date: December 15, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Sung Ho Lee, Su Hwan Kim, Min Jeong Hwang
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Patent number: 8057648Abstract: A deposition system and its method of control cancels the influence of noise occurring during measuring of a deposition rate using a noise canceller in order to exactly control the deposition rate, and obtains a film of a desired thickness. The deposition system includes a deposition device. A deposition rate sensor measures a deposition rate of the deposition device. A noise canceller cancels a noise component of the measured deposition rate. A power supply unit adjusts power supplied to the deposition device according to an output of the noise canceller.Type: GrantFiled: January 4, 2006Date of Patent: November 15, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventor: Min-Jeong Hwang
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Patent number: 8025735Abstract: A multiple vacuum evaporation coating device and a method for controlling the same. The vacuum evaporation coating device includes a plurality of evaporation sources, a rotating part adapted to rotate the plurality of evaporation sources and a coating block plate adapted to block all but one of said plurality of evaporation sources at any time, each of the plurality of evaporation sources comprise a case, a melting pot arranged within said case, an evaporation material arranged within the melting pot, a heating device arranged outside the melting pot and adapted to heat and evaporate the evaporation material, and a cooling device adapted to block heat generated by the heating device from transferring to an outside.Type: GrantFiled: March 8, 2006Date of Patent: September 27, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sung Ho Lee, Su Hwan Kim, Min Jeong Hwang
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Patent number: 8020692Abstract: An apparatus for transferring an upright tray at high speeds that can sense an entrance and discharge of the tray. The apparatus includes a transferring unit with pulleys driven by a driving source to form a transferring path. The pulleys contact a fixing member, which is attached to a lower edge of a substrate and mask fixed to the tray. The apparatus also includes a sensing unit with a sensor installed beneath the transferring path to detect the entrance and discharge of the tray. The apparatus may also include rollers disposed to contact both sides of the upper portion of the tray, and the rollers may be coupled with moveable members encased within rails along the transferring path so that the rollers can translate when a tray passes between two rollers. The rollers along both sides of the tray can be arranged symmetrically or alternately in a zigzag pattern.Type: GrantFiled: January 5, 2006Date of Patent: September 20, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Sung Wha Jung, Min Jeong Hwang
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Publication number: 20110189380Abstract: A device for manufacturing a display device includes a deposition source; a deposition thickness calculator for calculating a deposition thickness of a deposition material deposited on a substrate; and a controller for controlling a power of a heater which heats the deposition source by comparing the deposition thickness calculated with a reference thickness. The controller controls the power of the heater either at least one time for each substrate on which the thin film is to be deposited or at regular intervals while the deposition material is deposited. Influence of measurement noise that is included in a quartz crystal sensor for measuring a deposition speed may be minimized, and distribution of deposition thickness of an organic light emitting material may be reduced, thereby increasing the yield of the deposition process and producing quality display devices.Type: ApplicationFiled: October 1, 2010Publication date: August 4, 2011Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Won-Hyouk Jang, Eu-Gene Kang, Joo-Hwa Lee, Min-Jeong Hwang
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Publication number: 20110073042Abstract: A substrate centering device for an organic material deposition system comprises: a plurality of substrate support holders configured to be reciprocally movable in a facing direction within an organic material deposition chamber and supporting both side portions of a substrate loaded by a robot; a substrate centering unit configured to be reciprocally movable at each of the substrate support holders and centering the substrate by guiding both side portions of the substrate; and a plurality of substrate clampers configured to be reciprocally movable in a vertical direction at each of the substrate support holders, and clamping the substrate that has been centered by the substrate centering unit.Type: ApplicationFiled: September 14, 2010Publication date: March 31, 2011Applicant: Samsung Mobile Display Co., Ltd.Inventors: Jae-Mork Park, You-Min Cha, Won-Seok Cho, Jae-Hong Ahn, Min-Jeong Hwang
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Patent number: 7862855Abstract: In a method of controlling an effusion cell in a deposition system, including a crucible, a guiding pathway and an injection nozzle, a guiding pathway and an injection nozzle are heated. The crucible is heated after heating the guiding pathway and the injection nozzle. In addition, in cooling the effusion cell including a crucible, a guiding pathway and an injection nozzle, the crucible is cooled. The guiding pathway and the injection nozzle are cooled after cooling the crucible. This method has an advantage of enhancing uniformity of the organic layer formed on the substrate by preventing the clogging of the injection nozzle by deposition material vaporized in the crucible or splashing.Type: GrantFiled: January 5, 2006Date of Patent: January 4, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Min-Jeong Hwang, Kwan-Seop Song, Do-Geun Kim, Jae-Hong Ahn, Sung-Ho Lee
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Publication number: 20100304025Abstract: A deposition apparatus including a plurality of reaction chambers, and a method of controlling the deposition apparatus. The deposition apparatus includes a first chamber to deposit a first deposition material onto a deposition body, a second chamber to deposit a second and different deposition material onto the deposition body, a third chamber to deposit the first deposition material onto the deposition body, a transfer chamber connected to the first through third chambers, the transfer chamber to transfer the deposition body to ones of the first through third chambers and a control unit to transport the deposition body from the transfer chamber to ones of the first through third chambers.Type: ApplicationFiled: April 29, 2010Publication date: December 2, 2010Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Min-Jeong Hwang, You-Min Cha, Won-Seok Cho, Jae-Mork Park, Jae-Wan Park, Jae-Hong Ahn
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Publication number: 20100279021Abstract: An apparatus for depositing an organic material and a depositing method thereof, wherein a deposition process is performed with respect to a second substrate while transfer and alignment processes are performed with respect to a first substrate in a chamber, so that loss of an organic material wasted in the transfer and alignment processes can be reduced, thereby maximizing material efficiency and minimizing a processing tack time. The apparatus includes a chamber having an interior divided into a first substrate deposition area and a second substrate deposition area, an organic material deposition source transferred to within ones of the first and second substrate deposition areas to spray particles of an organic material onto respective ones of first and second substrates and a first transferring unit to rotate the organic material deposition source in a first direction from one of the first and second substrate deposition areas to an other of the first and second substrate deposition areas.Type: ApplicationFiled: April 19, 2010Publication date: November 4, 2010Applicant: SAMSUNG MOBILE DISPLAY CO., LTD.Inventors: Jae-Wan PARK, You-Min CHA, Won-Seok CHO, Jae-Mork PARK, Jae-Hong AHN, Min-Jeong HWANG, Tae-Wook KIM, Jong-Woo LEE, Tae-Seung KIM
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Publication number: 20100275842Abstract: Provided is an evaporating apparatus that deposits a deposition material onto a treatment object. The evaporating apparatus includes a base, a deposition source, and first and second correction units. The deposition source deposits the deposition material onto the treatment object. The base is disposed separately from the treatment object. The deposition source is placed on a surface of the base. The first and second correction units located between the deposition source and the treatment object. The first and second correction units are disposed on outer regions of the deposition source and face each other. Each of the first and second correction units rotates to control the thickness of a layer formed by the deposition material deposited on the treatment object.Type: ApplicationFiled: March 26, 2010Publication date: November 4, 2010Applicant: Samsung Mobile Display Co., Ltd.Inventors: Jae-Wan Park, You-Min Cha, Jae-Hong Ahn, Won-Seok Cho, Jae-Mork Park, Min-Jeong Hwang