Lg Chem, Ltd

Shanjin Optoelectronics (suzhou) Co., Ltd.

Shanjin Optoelectronics (nanjing) Co., Ltd.

Hang Suk Choi

Eung Jin Jang

Beom Seok Lee

Suk Jae Lee

Kyung Hyeok Park

Jea Han Ryoo

Bong Su Jeung

San Park

Joon Koo Kang

Hyeok Jeong

Ho Jin Kim

Yu Jin Lim

Myoung Gon Yang

Pil Soo Nam

Ju Young Jeoung

Yeong Rae Chang

Seung Heon Lee

Dong Hyun Oh

Ji Young Hwang

Kyoung Ho Kim

Eun Kyu Her

Soon Hwa Jung

Cheon Ho Park

Jae Hoon Choi

Sukjae Lee

Sungjoon Min

Kyoung Sik Kim

Sung Kyum Kim

Je Hyun Kim

Kyu Sung Hwang

Chang Seok Park

A method for manufacturing a display unit according to an exemplary embodiment of one aspect of the present invention includes: unwinding a first film from a first film roll, and carrying the first film; attaching a second film onto the carried first film and forming an elongated film laminated body; forming a cutting line in the film laminated body in a width direction at intervals along a longitudinal direction and forming a film sheet piece; and laminating the film sheet piece on a first surface of a panel.

Method and system for manufacturing display unit

A method of manufacturing a display unit including: preparing an optical film; forming a first alignment mark on the optical film; forming a cut-out line, corresponding to a predetermined closed curve layout, on the optical film based on a position of the first alignment mark; preparing a panel having a second alignment mark; aligning the optical film and the panel based on the positions of the first alignment mark and the second alignment mark; and laminating the optical film, after the processing of forming the cut-out line, on the panel.

Method of manufacturing display unit

A display unit manufacturing system including: a panel conveyance route including an optical film attaching unit configured to attach an optical film to a panel; an inspection unit which inspects whether the panel having the optical film attached thereto is defective and identifies a defective panel; a panel storing unit which stores the defective panel after the optical film is separated therefrom; and a control unit which controls whether the panel stored in the panel storing unit is supplied to the panel conveyance route.

Display unit manufacturing system

Provided is a device for detecting a defect of an optical film, comprising a light emitting unit, a reflection unit, a screen, and an image capturing unit, and a method for detecting a defect of an optical film, comprising emitting light to a reflection unit, projecting the light reflected by the reflection unit onto an optical film, capturing an image of a screen which displays a projection shape obtained by projecting the light onto the optical film, and analyzing the image.

Device and method for detecting defect of optical film

The present disclosure relates to a system and a method of detecting a defect of an optical film, and more particularly, to a system and a method of detecting a defect of an optical film, which obtain an image of a defect of an optical film projected onto a screen and detect the defect of the optical film. As an exemplary embodiment of the present disclosure, a system for detecting a defect of an optical film may be provided. The system for detecting a defect of an optical film may include: a lighting unit, which is spaced apart from the optical film, and irradiates light toward one surface of the optical film; a screen, which is spaced apart from the other surface of the optical film, and on which a defect existing in the optical film is projected and displayed according to the pass of the light irradiated from the lighting unit through the optical film; an imaging unit, which is spaced apart from the screen, and obtains an image of the defect of the optical film projected onto the screen; and an analyzing unit, which analyzes the obtained image, and detects the defect of the optical film based on a result of the analysis.

System and method of detecting defect of optical film

A system for manufacturing a laminated film, in which a first film and a second film are sequentially laminated, and the system includes: a film supplying part which supplies the first film and the second film; a bonding part which includes a first roll and a second roll that rotate in opposite directions, and compresses the first film and the second film supplied from the film supplying part and bonds the first film and the second film as the laminated film; and a bending inducing part which supports and bends the laminated film bonded and output from the bonding part, in which the second roll shifts in a direction along a circumference of a virtual circle having a larger radius than a radius of the first roll to control the bending of the laminated film.

Manufacturing system for laminated film and manufacturing method for laminated film

Exemplary embodiments of the present invention provide an optical film attachment system which is connected to a downstream device and includes a panel conveyance path, the optical film attachment system including: a connection unit which connects the panel conveyance path and the downstream device and conveys the panel; a first inspection unit which is positioned on the panel conveyance path and finds out whether the panel with the attached optical film has a defect; and a second inspection unit which is positioned at a position spaced apart from the panel conveyance path and re-inspects a defect-determined panel determined as a defective panel by inspection by the first inspection unit; in which the connection unit includes a main conveyance path in which a first conveyance unit and a second conveyance unit are sequentially arranged in a conveyance direction of the panel conveyance path, a first auxiliary conveyance path which connects the first conveyance unit and the second inspection unit and is bypassed from the main conveyance path, and a second auxiliary conveyance path which is connected to the second conveyance unit and bypassed from the main conveyance path, the control unit controls the connection unit so that the defect-determined panel is conveyed from the first conveyance unit to the second inspection unit along the first auxiliary conveyance path when the panel inspected by the first inspection unit is determined as a defective panel, and a good-quality-determined panel determined as a good-quality panel by the first inspection unit is conveyed from the second conveyance unit along the second auxiliary conveyance path when it is difficult to convey the good-quality-determined panel to the downstream device.

Optical film attachment system

Provided is a system for manufacturing a display unit, the system including: a carrying unit which carries an optical film including a polarizing film including an adhesive layer and a release film to which the polarizing film is bonded to be peeled off through the adhesive layer; a cutting unit which cuts the optical film by a predetermined depth, in which the release film is not cut, and forms a polarizing film sheet piece on the optical film; a peeling unit which peels the polarizing film sheet piece from the release film; and an attachment unit which attaches the polarizing film sheet piece peeled from the release film to a panel, in which the attachment unit includes: a pair of attachment rolls which presses and attaches the polarizing film sheet piece onto one surface of the panel; and a magnetic force generating unit or a suction part, which suppresses an upper attachment roll positioned at an upper side between the pair of attachment rolls from sagging by using magnetic force or suction.

System for manufacturing display unit

Disclosed is a system for manufacturing a display unit, including: a carrying unit configured to carry an optical film; a cutting unit configured to form a slit line on the optical film from a side opposite to the release film by a predetermined depth, in which the release film is not cut; a peeling unit configured to peel the polarizing film from the release film; and an attaching unit configured to attach the polarizing film peeled from the release film to a panel, in which the carrying unit includes a carrying direction changing unit, which changes a direction in which the optical film is carried so that the optical film carried along a first straight section is carried along a second straight section crossing the first straight section, and when the carrying of the optical film is stopped, the slit line formed on the optical film is positioned in the first straight section or the second straight section among the first straight section, the second straight section, and a curved section positioned between the first straight section and the second straight section.

Provided is a method for an optical film which elongates by forming a plurality of sheet pieces by cutting a pre-processing optical film in a width direction of the pre-processing optical film, aligning the plurality of sheet pieces in such a manner that first end portions parallel to the longitudinal direction of the pre-processing optical film are opposite to each other, and connecting end portions of the plurality of sheet pieces to each other.

Manufacturing method of optical film and optical film

A system for continuously manufacturing an optical display device and methods thereof are described. The system and method include a feeding unit for feeding an optical film, which includes a release film and a plurality of sheet pieces of a polarized film. The system and method further include a peeling unit for peeling the sheet pieces of the polarized film; a winding unit for winding the release film form the sheet pieces of the polarized film; and a controlling unit. The controlling unit controls at least one of the feeding unit, the winding unit, and the laminating unit.

System and method for continuously manufacturing optical display device

According to the present invention, a system for manufacturing an optical display element, which manufactures an optical display element by laminating optical films on both planes of a rectangular panel, includes: a panel supply unit supplying the panel; a panel transport unit transporting the supplied panel; a first laminating unit laminating the optical film onto a first plane of the panel in a direction parallel to a panel transport direction; and a second laminating unit laminating the optical film onto a second plane of the panel so that an absorption axis direction of the optical film is orthogonal to the absorption axis direction of the optical film laminated onto the first plane of the panel, in which when a panel supply direction set to be parallel to the panel transport direction between a longitudinal direction of an initial long edge and the longitudinal direction of an initial short edge of the panel supplied by the panel supply unit and a first laminating direction set so as to laminate the optical film onto the first plane of the panel in one of the longitudinal direction of a long edge and the longitudinal direction of a short edge of the panel are previously set as a process condition, the system includes a first pivot unit that pivots the panel to reverse positional relationship of the initial long edge and the initial short edge of the panel to each other when the set panel transfort direction is orthogonal to the first laminating direction.

System and method for manufacturing optical display element

Disclosed is a panel reversing apparatus which reverses a panel, the panel reversing apparatus including: a panel support unit which supports the panel; and a rotating unit which rotates the panel support unit so as to reverse a direction, in which one surface of the panel supported by the panel support unit faces, and a direction, in which the other surface of the panel faces, in which the panel support unit includes a single surface contact unit which is in contact with only one surface between the one surface and the other surface of the panel.

Panel reversing apparatus, and system and method of manufacturing optical display element

According to an exemplary embodiment of the present invention, there is provided a system for manufacturing a display unit, which includes: a carrying unit configured to carry an optical film, wherein the optical film includes a release film which is extended in a longitudinal direction, and a plurality of sheet pieces of a polarizing film which are arranged in a longitudinal direction and include adhesive layers, wherein the sheet piece of a polarizing film is adhered to the release film through the adhesive layer so that the polarizing film sheet piece is peeled from the release film; a peeling unit configured to fold back inwardly the release film of the optical film carried by the carrying unit toward an inner side and peel the polarizing film sheet piece from the release film; a winding unit configured to wind the release film peeled by the peeling unit; and an attachment unit configured to attach the polarizing film sheet piece peeled from the release film to one surface of a panel, while carrying the panel, the system including: a controller configured to adjust a position of a peeling point, at which the polarizing film sheet piece is peeled from the release film, by controlling the winding unit and the carrying unit.

System and method for manufacturing display unit

A system for manufacturing a display unit including: a transport unit which transports an optical film comprising a polarizing film, an adhesive layer, and a release film, by a predetermined transport length and stops the transport of the optical film; a cutting unit which cuts the optical film in a width direction at a predetermined cutting position without cutting the release film; a separating unit which separates the release film from the polarizing film at the cutting position; and an attaching unit which attaches the polarizing film, from which the release film is separated, to a panel. The transport unit includes a horizontal roll satisfying the following conditional expression:*(1)

Growing community of inventors

Daejeon, South Korea

Hang Suk Choi