Samsung Electronics Co., Ltd.

Samsung Display Co., Ltd.

Samsung Sdi Co., Inc.

Bilkent University

University of California

Samsung Electro-mechanics Co., Ltd.

Samsung Displayco., Ltd.

Display Co., Ltd.

Shin Ae Jun

Eun Joo Jang

Tae Gon Kim

Shang Hyeun Park

Hyo Sook Jang

Hyun A Kang

Nayoun Won

Garam Park

Taekhoon Kim

Jooyeon Ahn

Deukseok Chung

Hyeyeon Yang

Seong Jae Choi

Yuho Won

Soo Kyung Kwon

Jongmin Lee

Yong Seok Han

Tae Hyung Kim

Ha Il Kwon

Yongwook Kim

Oul Cho

Jihyun Min

Jong Jin Park

Jonggi Kim

Yong Wan Jin

Sang Heon Lee

Sungwoo Hwang

Ji-Yeong Kim

Sung Jun Park

Dae Young Chung

Minho Kim

Sang Soo Jee

Bumjin Lee

Sung Woo Kim

Tae Ho Kim

Misun Kim

Jin A Kim

Taehyung Kim

Jeong Hee Lee

Yong Wook Kim

Hyung Kun Kim

Sung Ho Lee

Hyunki Kim

Seon-Yeong Kim

In-Taek Han

A Ra Jo

Tae-Gon Kim

Dongchan Kim

Tae Kyung Ahn

Mi Hye Lim

Jung Eun Lim

Hojeong Paek

Sung Hun Lee

Tae Won Jeong

Won Joo Lee

Taek Hoon Kim

Na Youn Won

Young Hwan Kim

Young Seok Park

Min Jong Bae

Mi Yang Kim

In Taek Han

Chul Ho Jung

Hye Ran Choi

Hilmi Volkan Demir

Seonmyeong Choi

Burak Guzelturk

Jinsuop Youn

Hyunjoo Han

Soo-Kyung Kwon

Byoung Ki Choi

Jong-Hoon Ka

Yebin Jung

Can Uran

Talha Erdem

Kivanc Gungor

Junghwa Kim

Eun-Joo Jang

Yun Sung Woo

Deuk Kyu Moon

Hyun Dam Jeong

Jong Baek Seon

Jong Kyung Park

Dongjin Yun

Hyo-Sook Jang

Soonmin Cha

Hyun-a Kang

Sang Eui Lee

Hyeonsu Heo

Yong Nam Ham

Byung Ki Kim

Dae Ha Seo

Young-Wook Jun

Hyang Sook Seong

Ji Whan Kim

You Jung Chung

Dong Earn Kim

Hong Kyu Seo

An ink composition and luminescent nanostructure composite, and an electronic device including the luminescent nanostructure composite. The ink composition includes a plurality of titanium oxide particles, a plurality of luminescent nanostructures (e.g., quantum dots), a monomer including a carbon-carbon unsaturated bond, and optionally an organic solvent. The titanium oxide particles have an average size of greater than or equal to about 10 nm and less than or equal to about 900 nm, and the titanium oxide particles comprise an organosilane compound. The ink composition has a total solid content (TSC) of greater than or equal to about 90 wt %, and an amount of the titanium oxide particles in the ink composition is greater than or equal to about 1 wt % based on the total weight of the ink composition. The ink composition is configured to emit a first light.

Ink composition, luminescent nanostructure composite, color conversion panel, and display device including the same

A display panel and an electronic device including the display panel are provided, where the display panel includes a quantum dot composite including a matrix and a plurality of quantum dots and titanium dioxide (TiO) particles dispersed in the matrix, the plurality of quantum dots include silver and gallium, exhibit an emission peak wavelength of from about 500 nm to about 550 nm, and a full width at half maximum of the emission peak is greater than or equal to about 10 nm and less than or equal to about 50 nm, and where the quantum dot composite has a mole ratio of silver to titanium of greater than or equal to about 0.4:1 and less than or equal to about 15:1, and a mole ratio of gallium to titanium of greater than or equal to about 0.4:1 and less than or equal to about 20:1.

Display panel, and electronic device including same

A display panel including a wavelength conversion structure that includes a base structure including partition walls that define a first space and a second space, a first quantum dot composite disposed in the first space, and a second quantum dot composite disposed in the second space. The height of the partition wall is greater than or equal to about 5 micrometers and less than or equal to about 50 micrometers, and the first quantum dot composite provides a first top surface and the second quantum dot composite provides a second top surface. A production method for making the wavelength conversion structure uses a first ink composition that includes first quantum dots and a first matrix, and a second ink composition that includes second quantum dots and a second matrix.

Display panel and production method thereof

A luminescent nanostructure, a production method for making the luminescent nanostructure, and an electronic device including the luminescent nanostructure. The luminescent nanostructure includes a semiconductor nanocrystal including a Group 13 metal nitride. The luminescent nanostructure has an aspect ratio of greater than or equal to about 1, and an organic compound having an M-O moiety, wherein M is Ti, Al, Zr, Sn, or Si that is bound to at least a portion of the surface of the luminescent nanostructure.

Luminescent nanostructure, production method thereof, and light emitting device including the same

A layered structure including a photoluminescent layer including a quantum dot polymer composite; a light absorption layer disposed on the photoluminescent layer, the light absorption layer including an absorptive color-filter material; and a silicon containing layer disposed between the photoluminescent layer and the light absorption layer, wherein the quantum dot polymer composite includes a first polymer matrix and a plurality of quantum dots dispersed in the first polymer matrix, and the plurality of quantum dots absorb excitation light and emits light in a longer wavelength than the wavelength of the excited light; and the absorptive color-filter material is dispersed in a second polymer matrix, and the absorptive color-filter material absorbs the excitation light that passes through the photoluminescent layer and transmits the light emitted from the plurality of quantum dots and an electronic device including the same.

Layered structures and electronic devices including the same

A display panel including a light emitting panel; and a color conversion panel with a surface opposite a surface of the light emitting panel. The light emitting panel is configured to emit incident light including a first light and a second light. The color conversion panel includes a color conversion layer including two or more color conversion regions, a color conversion region includes a first region corresponding to the green pixel, the first region includes a matrix and a first composite dispersed within the matrix and including a plurality of luminescent nanostructures, and the spectral overlap between a UV-Vis absorption spectrum of the luminescent nanostructures, the maximum emission peak of the first light, and the maximum emission peak of the second light satisfies the following equation:≤about 0.6

Display panel and electronic device including the same

A cadmium-free, core shell quantum dot, a quantum dot polymer composite, and electronic devices including the quantum dot polymer composite. The core shell quantum dot has an extinction coefficient per gram of greater than or equal to 0.3, an ultraviolet-visible absorption spectrum curve that has a positive differential coefficient value at 450 nm, wherein the core shell quantum dot includes a semiconductor nanocrystal core including indium and phosphorus, and optionally zinc, and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur, wherein the core shell quantum dot has a quantum efficiency of greater than or equal to about 80%, and is configured to emit green light upon excitation.

Core shell quantum dot and electronic device including the same

A display panel may include a light emitting panel, and a color conversion panel. The light emitting panel is configured to emit incident light including a first light and a second light, a luminescent peak wavelength of the first light may be greater than or equal to about 450 nm and less than or equal to about 480 nm and a luminescent peak wavelength of the second light may be greater than or equal to about 500 nm and less than or equal to about 580 nm. The color conversion panel includes a color conversion layer including a conversion region, and optionally, a partition wall defining each region of the color conversion panel. The color conversion region includes a first region corresponding to a red pixel, and the first region include a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix, and in the UV-Vis absorption spectrum, an absorbance ratio at a wavelength of 520 nm with respect to a wavelength of 350 nm may be greater than or equal to about 0.04:1.

A nanocrystal particle including at least one semiconductor material and at least one halogen element, the nanocrystal particle including: a core comprising a first semiconductor nanocrystal; and a shell surrounding the core and comprising a crystalline or amorphous material, wherein the halogen element is present as being doped therein or as a metal halide.

Nanocrystal particles and processes for synthesizing the same

A color conversion panel that includes a color conversion layer including two or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the color conversion panel. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures further include aluminum and chlorine, and a mole ratio of aluminum to sulfur (Al:S) is less than about 0.15:1, a mole ratio of chlorine to sulfur (Cl:S) is less than about 0.1:1, and a mole ratio of sulfur to selenium (S:Se) is greater than or equal to about 2:1. The luminescent nanostructures don not include cadmium.

Luminescent nanostructure, and color conversion panel and electronic device including the same

A color conversion panel that includes a color conversion layer including one or more color conversion regions, and optionally, a partition wall defining the regions of the color conversion layer, and a display device including the same. The color conversion region includes a first region corresponding to a first pixel, and the first region includes a first composite including a matrix and a plurality of luminescent nanostructures dispersed in the matrix. The luminescent nanostructures include a first semiconductor nanocrystal including a Group III-V compound and a second semiconductor nanocrystal including a zinc chalcogenide. The Group III-V compound includes indium, phosphorus, and optionally, zinc or gallium, or zinc and gallium, and the zinc chalcogenide includes zinc, selenium, and sulfur. The luminescent nanostructures do not include cadmium. The luminescent nanostructures further include fluorine, and in the luminescent nanostructures, a mole ratio of fluorine to indium is greater than or equal to about 0.05:1.

Luminescent nanostrucure, and color conversion panel and electronic device including the same

A light source includes a light emitting element which emits light, and a light conversion layer which converts the light emitted from the light emitting element into white light and emits the white light, where the light conversion layer includes a resin and a quantum dot material mixed with the resin, and a red apex of a color region of the white light is positioned in a region of 0.65<Cx<0.69 and 0.29<Cy<0.3370 in color coordinates, and a green apex of a color region of the white light is positioned in a region of 0.17<Cx<0.31 and 0.61<Cy<0.70 in the color coordinates.

Light source, and back light unit and liquid crystal display including the light source

A quantum dot including a multi-component core including a first semiconductor nanocrystal including indium (In), zinc (Zn), and phosphorus (P) and a second semiconductor nanocrystal disposed on the first semiconductor nanocrystal, the second semiconductor nanocrystal including gallium (Ga) and phosphorus (P) wherein the quantum dot is cadmium-free and emits green light, a mole ratio (P:In) of phosphorus relative to indium is greater than or equal to about 0.6:1 and less than or equal to about 1.0, and a mole ratio (P:(In+Ga)) of phosphorus relative to indium and gallium is greater than or equal to about 0.5:1 and less than or equal to about 0.8:1, a quantum dot-polymer composite pattern including the same, and a display device.

Quantum dot having a phosphorus precursor in a multi-component core

A quantum dot-polymer composite including a polymer matrix; and core-shell quantum dots dispersed in the polymer matrix, wherein the core-shell quantum dots include a semiconductor nanocrystal core including indium, zinc, and phosphorus and a semiconductor nanocrystal shell disposed on the semiconductor nanocrystal core, the shell including zinc, selenium, and sulfur. The core-shell quantum dots do not include cadmium, the core-shell quantum dots are configured to emit green light, the core-shell quantum dots have a mole ratio of phosphorus to indium of greater than or equal to about 0.75, and the core-shell quantum dots have a mole ratio of zinc to indium of greater than or equal to about 35, and a method of producing the core-shell quantum dots, and a display device including a light emitting element that includes the quantum dot-polymer composite.

Quantum dots and composite and display device including the same

A quantum dot composite includes a matrix and a plurality of quantum dots dispersed in the matrix, and a color conversion panel and a display panel including the same. The plurality of quantum dots include a metal including indium (In) and zinc and a non-metal including phosphorous (P), selenium, and sulfur, wherein the plurality of quantum dots includes a mole ratio of sulfur to indium of greater than or equal to about 3:1 and less than or equal to about 6:1, and a mole ratio of sulfur to selenium of greater than or equal about 0.69:1 and less than or equal to about 0.89, and a mole ratio of zinc to indium of greater than or equal to about 10:1 and less than or equal to about 12.4:1, and wherein the plurality of the quantum dots are configured to emit red light.

Quantum dot, and a composite and an electronic device including the same

Growing community of inventors

Seongnam-si, South Korea

Shin Ae Jun