Lg Electronics Inc.

Samsung Display Co., Ltd.

Samsung Electronics Co., Ltd.

Joon Hyung Park

Jin Koo Park

Yin Young Hwang

Se Young Kim

Jong Ho Son

Yang Kyu Kim

Kyung Hae Park

Hye Lim Jang

Kang Seob Jeong

Yang Gyu Kim

Jin Hyeong Lee

Soon Joon Rho

Chang Hun Lee

Si Heun Kim

Sang Ho Seo

Beom Soo Shin

Tae Hoon Kim

Keun Chan Oh

Gak Seok Lee

Yun Sik Jang

Eui Yeop Chung

Seung Hee Lee

Ji Hong Bae

Ji Eun Jang

Sun Young Kwon

Myeong-Ha Kye

Seung Ju Lee

Kyoung Jin Lee

Ui Yeop Chung

A liquid-crystal display device includes a first polarizer which has a transmission axis extended in a first direction, a second polarizer disposed above the first polarizer and which has a transmission axis extended in a second direction intersecting the first direction, a liquid-crystal layer disposed between the first polarizer and the second polarizers, and a linear patterned layer disposed between the liquid-crystal layer and the second polarizer, wherein the linear patterned layer comprises a pattern of linear features and the linear features of the pattern are extended in the second direction and spaced apart from one another in the first direction.

Color conversion substrate and liquid-crystal display device including the same

A liquid crystal display includes a first substrate, a second substrate opposing the first substrate, an electrode portion provided on at least one of the first and second substrates, and a liquid crystal layer provided between the first substrate and the second substrate and including a liquid crystal composition. The liquid crystal composition includes a liquid crystal compound including a cyclohexenylene group, and provides the liquid crystal display with low rotary viscosity and high voltage holding ratio.

Liquid crystal display and liquid crystal composition comprised thereof

A liquid crystal display, including: a first substrate, and a second substrate facing the first substrate; a liquid crystal layer disposed between the first substrate and the second substrates; a first liquid crystal alignment layer disposed between the liquid crystal layer and the first substrate; and a second liquid crystal alignment layer disposed between the liquid crystal layer and the second substrate, wherein: at least one of the first liquid crystal alignment layer and the second liquid crystal alignment layer includes reactive mesogens; and the liquid crystal layer includes an antioxidant.

Liquid crystal display and method of manufacturing the same

A liquid crystal display device comprises: a first substrate; an organic layer disposed on the first substrate; a pixel electrode disposed on the organic layer; a plurality of slits defined in the pixel electrode and configured to exposed a surface of the organic layer; a liquid crystal alignment film disposed on a surface of the pixel electrode and on the surface of the organic layer exposed by the plurality of slits; and a plurality of liquid crystal molecules disposed on the liquid crystal alignment film, wherein the liquid crystal alignment film includes a first region overlapping the plurality of slits and a second region overlapping the pixel electrode, wherein the second region has a surface energy different from a surface energy of the first region.

Liquid crystal display device and manufacturing method thereof

A liquid crystal display device, including: a display substrate including a first base substrate, a switching device disposed on the first base substrate, a color filter layer disposed on the switching device, and a first electrode disposed on the color filter layer; a counter display substrate including a second base substrate and a second electrode disposed on the second base substrate and facing the first electrode, wherein the counter display substrate is disposed separately from and facing the display substrate; a liquid crystal layer disposed between the display substrate and the counter display substrate, wherein the liquid crystal layer includes at least one first liquid crystal compound represented by Formula 1 and at least one second liquid crystal compound represented by Formula 2; and a light-shielding spacer disposed between the display substrate and the counter display substrate and maintaining a thickness of the liquid crystal layer: wherein in Formula 1 and Formula 2, each of R&#x2014;*, R&#x2014;*, L-*, L-*, L-*, L-*, R&#x2014;*, *-L-*, m, n, i, j, o is same as defined in the specification.

Liquid crystal display device

A liquid crystal display device comprises a display panel including a first base substrate, a switching element disposed on the first base substrate, a color filter layer disposed on the switching element, and a pixel electrode disposed on the color filter layer; a counter display panel including a second base substrate and a common electrode disposed on the second base substrate and facing the display panel; a liquid crystal layer disposed between the display panel and the counter display panel and having negative dielectric anisotropy, wherein the liquid crystal layer includes at least one compound represented by Formula 1 below, and the liquid crystal layer does not include a compound represented by Formula A below; and a light-blocking spacer disposed on the display panel and including an area overlapping the switching element, and maintaining the thickness of the liquid crystal layer. 

Liquid crystal composition and liquid crystal display device

Disclosed is a liquid crystal display panel having an ion trap structure and a liquid crystal display including the same. The liquid crystal display panel has an opening area and a non-opening area and includes a first substrate, a second substrate that faces the first substrate, and a liquid crystal layer interposed between the first and the second substrates. The first substrate includes a plurality of unit pixels and a first alignment film having a first area and a second area. The first area of the first alignment film is disposed on the opening area, the second area is disposed on the non-opening area, and the second area is thinner than the first area.

Liquid crystal display panel having ion trap structure and liquid crystal display including the same

A method for controlling operation of a refrigerator having two evaporators is provided which allows food to be effectively stored in refrigerating and freezing chambers of the refrigerator. A Refrigerating-Freezing (RF) cycle and/or a Freezing (F) cycle of the refrigerator and compressor operation are controlled based on temperatures of various chambers within the refrigerator. This may be further enhanced by also controlling operation of the evaporators and their respective evaporator fans to further optimize cooling output and efficiency. In this manner, the various refrigerating and freezing chambers of the refrigerator can be maintained at an appropriate temperature, power consumption is minimized, and load on the compressor can be adequately managed so as to provide for effective food storage.

Method for controlling operation of refrigerator with two evaporators

A method for reducing power consumption of a refrigerator and improving a refrigerating efficiency is provided. This method controls a power saving operation of a refrigerator with two evaporators by either extending or delaying operation of at least one of, or a combination of, a freezer chamber evaporator fan, a refrigerating chamber evaporator fan, or a condenser fan.

Method for controlling power saving operation of refrigerator with two evaporator

An apparatus and method for controlling a home appliance network is disclosed, in which a home server is established at low cost so that an external user can easily control the operation of home appliances within home. The apparatus for controlling a home appliance network having at least one or more home appliances includes an external communication means for inputting a predetermined operation control command to control the operation of the home appliances by externally accessing a home page of a corresponding communication service provider through an Internet, a radio communication network for transmitting the operation control command input to the home page through the external communication means in a radio type, and an internal communication means located within home, for controlling the operation of the corresponding home appliance of the home appliance network to correspond to the operation control command transmitted in a radio type through the radio communication network.

Network control method and apparatus for home appliance

An apparatus and a method for controlling operation of a linear motor compressor, by which a linear motor compressor can operate always in an optimum condition by coping with the load variation due to changes in a refrigerator and the circumstances. In more detail, a current peak value at TDC&equals;0 is detected by comparing a current applied to the linear motor compressor with a formerly detected current, and accordingly the linear motor compressor is operated by a switching control signal generated according to a duty-ratio corresponding to the current peak value.

Apparatus and method for controlling operation of linear motor compressor

Method for defrosting refrigerator with two evaporator

An apparatus and a method for controlling operation of a linear compressor uses a pattern recognition for operating a compressor at an optimum efficiency by recognizing a trace in a graph about relation between a current and a displacement as a pattern and sensing variation of the pattern. The apparatus for controlling operation of the linear compressor using a pattern recognition includes a displacement calculating unit calculating a displacement by being inputted the current detected in the current detecting unit and the voltage detected in the voltage detecting unit, a pattern recognition unit being inputted the displacement outputted from the displacement calculating unit and the current outputted from the current detecting unit and detecting a pattern by using a trace corresponding to the displacement and the current, a stroke controlling unit being inputted a pattern from the pattern recognition unit and outputting a switching control signal according to the inputted pattern, and an electric circuit unit being inputted the switching control signal outputted from the stroke controlling unit and outputting a certain voltage to the linear compressor. Accordingly, it is possible to perform a TDC control of a piston considering an error due to non-linearity characteristics, improve an operation efficiency of a linear compressor and have a wide and precise control region.

Apparatus and method for controlling operation of linear compressor using pattern recognition

An apparatus for controlling an operation of a linear compressor includes: a sensorless circuit unit for detecting a current and a voltage applied to a linear compressor and outputting a work operation value corresponding to them; a stroke controller for receiving the work operation value and outputting a switching control signal corresponding to a variation amount of the work operation value; and an electric circuit unit for receiving the switching control signal from the stroke controller and outputting a certain voltage to the linear compressor, accordingly, a TDC of the piston in consideration of an error due to the nonlinear characteristic can be controlled, and thus, an operation efficiency of the linear compressor can be improved.

Apparatus and method for controlling operation of linear compressor

In an apparatus and a method for controlling a linear compressor, an apparatus for controlling a linear compressor includes a linear compressor adjusting a refrigerating capacity by a stroke voltage according to a stroke reference value, a current detecting unit detecting a current applied to the linear compressor, a work operation unit generating a work operation signal by integrating a current detected from the current detecting unit, a suction/discharge pressure difference storing unit storing a suction/discharge pressure difference according to the work operation signal, a microcomputer outputting a switching control signal according to the work operation signal and displaying the suction/discharge pressure difference according to the work operation signal, and an electric circuit unit controlling the linear compressor in accordance with the switching control signal. Accordingly it is possible to detect accurately a load of a linear compressor and control a linear compressor precisely by detecting a suction/discharge pressure difference according to a work operation signal obtained by integrating a current value according to a stroke reference value in accordance with a switching control signal of the microcomputer.

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Seoul, South Korea

Joon Hyung Park