Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Cheil Industries Inc.

Rupasree Ragini Das

Dmitry Kravchuk

Chang-ho Noh

Chang Ho Noh

Virendra Kumar Rai

Changho Noh

Seog-jin Jeon

Seog Jin Jeon

Hyejin Bae

Wook Hwan Kim

Seon-Jeong Lim

Miyoung Chae

Ji-Min Lee

Kangmun Lee

Kang-mun Lee

Jung Woo Kim

So Yeon Park

Youngseok Park

Hyeon Ho Choi

Jae Eun Jang

O Hyun Kwon

Wook Rae Kim

Chang-Ho Noh

An organometallic compound represented by Formula 1:Ir(L)(L)&#x2003;&#x2003;Formula 1

Organometallic compound and organic light-emitting device including the same

An organometallic compound represented by Formula 1:M(L)(L)&#x2003;&#x2003;Formula 1wherein, in Formula 1,

An organometallic compound represented by Formula 1: 

Organometallic compound, composition containing the organometallic compound, and organic light-emitting device including the organometallic compound or composition

An organometallic compound represented by Formula 1: wherein in Formula 1, Rto R, L, m, and nare the same as described in the specification.

Organometallic compound, composition containing organometallic compound, and organic light-emitting device including the same

An organometallic compound represented by Formula 1: wherein in Formula 1, M, L, n1, n2, and Rto Rare described in the specification.

An organometallic compound represented by Formula 1:M(L)(L)&#x2003;&#x2003;Formula 1

Disclosed are an organometallic complex, and an organic electroluminescence device and a display device including the same. The organometallic complex is represented by the following Chemical Formula 1.  The definition of the above Chemical Formula 1 is the same as described in the detailed description.

Organometallic complexes, and organic electroluminescence device and display using the same

A reflective color display may include a first electrode layer and a second electrode layer facing each other. An electrochromatic layer may be formed on the first electrode layer. The electrochromatic layer may include an electrochromatic material that is structured to display a color, to appear black, or to become transparent according to a voltage applied thereto. An electrolyte layer may contact the electrochromatic layer. The electrolyte layer may be located between the first electrode layer and the second electrode layer. A reflective layer may be disposed on the second electrode layer.

Reflective color display

A display device includes a first electrode layer, a color switching layer which is disposed on the first electrode layer, a second electrode layer which is disposed on the color switching layer and a color filter layer which is disposed on the second electrode layer. The color switching layer includes a first color cell, which transmits incident light or changes incident light to a first color light, a second color cell, which transmits incident light or changes incident light to a second color light and a third color cell, which transmits incident light or changes incident light to a third color light. The color filter layer includes a first filter which transmits a cyan light, a second filter which transmits a magenta light and a third filter which transmits a yellow light.

Display device

An electrochromic device according to example embodiments may include a first electrode and a second electrode facing each other, an electrochromic layer positioned between the first electrode and second electrode and including an electrochromic material, and an electrolyte contacting the electrochromic layer between the first electrode and second electrode and including an electron accepting molecule.

Electrochromic device

Disclosed is ink for an electrochromic device including an electrochromic material, a metal salt, and a solvent. Disclosed also is an electrochromic device that includes a first electrode and a second electrode facing each other, an auxiliary electrode disposed on the first electrode or the second electrode, an electrochromic layer applied on the auxiliary electrode, and an electrolyte interposed between the first electrode and second electrode, wherein the electrochromic layer is formed using ink including an electrochromic material and a metal salt. Disclosed also is a method of manufacturing the electrochromic device.

Ink for electrochromic device and electrochromic device and method of manufacturing the same

An electrochromic compound represented by the following Chemical Formula 1:  Also disclosed is an electrochromic device including the electrochromic compound.

Electrochromic material and electrochromic device including the same

According to example embodiments, an electrochromic device includes pixel containing a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first electrolyte contacting a first electrochromic layer. The first electrochromic layer includes a first electrochromic material configured to display each one of transparency and at least two colors, based on a voltage applied to the first electrochromic material. The second sub-pixel includes a second electrolyte contacting a second electrochromic layer. The second electrochromic layer includes a second electrochromic material configured to display each one of transparency, black, and at least one color other than black, based on a voltage applied to the second electrochromic material.

An electrochromic material including at least one compound represented by Chemical Formulas 1 to 3, for use in an electrochromic device: wherein Zto Zare each independently selected from a substituted or unsubstituted Cto Carylene group, a substituted or unsubstituted Cto Cheteroarylene group, a substituted or unsubstituted Cto Ccycloalkylene group or a combination thereof, Rto Rare each independently selected from a single bond, a substituted or unsubstituted Cto Calkylene group, a substituted or unsubstituted Cto Ccycloalkylene group, a substituted or unsubstituted Cto Carylene group, a substituted or unsubstituted Cto Cheteroarylene group or a combination thereof.

Disclosed is an electrochromic device that includes a first electrode and a second electrode facing each other, an electrochromic layer between the first electrode and the second electrode, and an electrolyte between the first electrode and the second electrode and being in contact with the electrochromic layer. The electrochromic layer may include a plurality of oxide semiconductor particles, a metal oxide on the surface of the oxide semiconductor particles, and an electrochromic material. An energy bandgap of the oxide semiconductor particles is in a range of about 3 eV to about 5 eV and an energy bandgap of the metal oxide is in a range of about 3 eV to about 5 eV, and a difference of conduction band energy levels of the oxide semiconductor particles and the metal oxide is about 0.5 eV or less. A method of manufacturing the electrochromic device may also be provided.

Growing community of inventors

Suwon-si, South Korea

Rupasree Ragini Das