Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Insun Park

Dong-Seok Leem

Sangmin Lee

Sang Ho Park

Dongyoung Kim

Yoonsok Kang

Jinah Seo

Myongchun Koh

Yeonji Chung

Ohkyu Kwon

Hosang Park

Rae Sung Kim

Eunha Park

Jihyun Jang

Changki Kim

Minsik Park

Jongchul Park

Jongmin Baek

Jinhwan Park

Inho Kim

Eunsun Noh

Byoungjae Bae

Hei Seung Kim

Jongwon Hong

Shin Kwon

Sangdong Kim

Hyesung Choi

Byungjin Choi

Hwang Suk Kim

Shin-Jae Kang

Gyuhwan Oh

Hyunseok Lim

Nak-Hyun Lim

Junyoung Mun

Disclosed are a compound represented by Chemical Formula 1, and a film, an infrared sensor, and an electronic device including the compound. In Chemical Formula 1, Q, Q, X, X, R, R, and Aare the same as in the specification.

Compound, film, sensor, and electronic device

An infrared photodiode includes a first electrode including a reflective layer, a second electrode facing the first electrode, and a photoelectric conversion layer between the first electrode and the second electrode. The photoelectric conversion layer includes an infrared absorbing material. A maximum absorption wavelength of the infrared absorbing material in a solution state is greater than about 700 nm and less than or equal to about 950 nm. The infrared photodiode is configured to exhibit an external quantum efficiency (EQE) spectrum in a wavelength region of greater than or equal to about 1000 nm.

Infrared photodiode and sensor and electronic device

A sensor includes first and second electrodes, and an infrared photoelectric conversion layer between the first and second electrodes, the infrared photoelectric conversion layer being configured to absorb light in at least a portion of an infrared wavelength spectrum and convert the absorbed light to an electrical signal. The infrared photoelectric conversion layer includes a first material having a maximum absorption wavelength in an infrared wavelength spectrum, a second material forming a pn junction with the first material, and a third material having an energy band gap greater than the energy band gap of the first material by greater than or equal to about 1.0 eV. The first material, the second material, and the third material are different from each other, and each of the first material, the second material, and the third material is a non-polymeric material.

Sensor and electronic device

A compound is represented by Chemical Formula 1. In Chemical Formula 1, Rto R, Rto R, and n are the same as defined in the detailed description.

Compounds, infrared absorbers, infrared absorbing/blocking films, photoelectric devices, sensors, and electronic devices

Disclosed are an infrared absorption composition, and a photoelectric device, an organic sensor, and an electronic device including the same. The infrared absorption composition includes a p-type semiconductor compound represented by Chemical Formula 1 and an n-type semiconductor compound. The n-type semiconductor compound includes a compound represented by Chemical Formula 2A, a compound represented by Chemical Formula 2B, a compound represented by Chemical Formula 2C, a fullerene derivative, or a combination thereof. The p-type semiconductor compound and the n-type semiconductor compound provide a bulk heterojunction (BHJ) structure.

Infrared absorption composition, and photoelectric device, organic sensor, and electronic device including the same

An electrolyte and a lithium secondary battery including the same. The electrolyte includes a lithium salt; an organic solvent; and at least one siloxane compound represented by Formula 1 or Formula 2, wherein an amount of the at least one siloxane compound is about 0.05 wt % to about 20 wt % based on a total weight of the electrolyte. In Formulae 1 and 2, group substituents and number indices are as defined in the specification.

Electrolyte containing siloxane compound and lithium secondary battery including the electrolyte

A lithium secondary battery includes: a positive electrode; a negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, and the electrolyte includes a lithium salt, a non-aqueous solvent, and a sulfone compound represented by Formula 2. wherein, in Formula 1, 0.9&#x2264;x&#x2264;1.2, 0.7&#x2264;y&#x2264;0.98, 0&#x2264;z&#x3c;0.2, M comprises Al, Mg, Mn, Co, Fe, Cr, V, Ti, Cu, B, Ca, Zn, Zr, Nb, Mo, Sr, Sb, W, Bi, or a combination thereof, and A is a monovalent anion, a divalent anion, or a combination thereof, and in Formula 2, Rand Rare each independently a halogen, an unsubstituted C-Calkyl group, or a C-Calkyl group substituted with a halogen, and a1 and a2 are each independently an integer from 0 to 5. 

Lithium secondary battery including sulfone-based additive

A compound is represented by Chemical Formula 1. The compound may be included in, a film, an infrared sensor, a combination sensor, and/or an electronic device. 

Compound and film and IR sensor and combination sensor and electronic device

A lithium battery including: a cathode; an anode; and an electrolyte between the cathode and the anode, wherein the cathode includes a cathode active material represented by Formula 1,LiNiMOA&#x2003;&#x2003;Formula 1 

Lithium battery

An electrolyte including: a lithium salt; a non-aqueous solvent; a compound represented by Formula 1; and a compound represented by Formula 2 wherein R, R, R, R, and Rin Formulae 1 and 2 are as described in the detailed description.

Electrolyte, lithium secondary battery including the electrolyte, and method of manufacturing the electrolyte

A lithium secondary battery includes: a positive electrode; an negative electrode; and an electrolyte between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, the electrolyte includes a lithium salt, a non-aqueous solvent, and a trialkoxyalkylsilane compound represented by Formula 2, and an amount of the trialkoxyalkylsilane compound in the electrolyte is about 0.1 weight percent to about 5 weight percent based on a total weight of the electrolyte: wherein, in Formula 1 and Formula 2, x, y, z, M, A, Rto R, and Ar are as defined as the specification.

Lithium secondary battery including electrolyte containing trialkoxyalkylsilane compound

An electrolyte additive for a lithium battery comprising a sulfone compound represented by Formula 1: 

Electrolyte additive for lithium battery, organic electrolyte solution including the same, and lithium battery including the same

A nonaqueous electrolyte for a lithium secondary battery, the nonaqueous electrolyte including a fluorine-containing lithium salt, an organic solvent, and an organosilicon compound represented by Formula 1: wherein, in Formula 1, Rto Rare independently a C-Calkyl group, and n is an integer selected from 1 to 10. Also a lithium secondary battery including the nonaqueous electrolyte.

Nonaqueous electrolyte for lithium secondary battery and lithium secondary battery employing the same

An organic electrolyte solution includes a lithium salt; an organic solvent; and a fluorine-containing phosphate compound represented by Formula 1: 

Organic electrolyte solution and lithium battery including the same

A lithium secondary battery includes a positive electrode; a negative electrode; and an electrolyte disposed between the positive electrode and the negative electrode, wherein the positive electrode includes a positive active material represented by Formula 1, and the electrolyte includes a lithium salt; a non-aqueous solvent; and a phosphite compound represented by Formula 2, wherein the phosphite compound is present in amount of about 0.1 wt % to about 5 wt % based on a total weight of the electrolyte:LiNiMOA&#x2003;&#x2003;Formula 1 

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Suwon-si, South Korea

Insun Park