A large substrate includes, in which the sealing material includes at least a first sealing material disposed between an element substrate and a counter substrate in a central region of the first large substrate and the second large substrate, and a second sealing material disposed between the element substrate and the counter substrate in an outside region of the first large substrate and the second large substrate, and when a cell gap in a display region of the element substrate and the counter substrate in the central region and the outside region is set to be constant, a gap amount of a region in which the first sealing material is provided and a gap amount of at least a portion of a region in which the second sealing material is provided are different from each other.

A method for manufacturing a liquid crystal display panel is provided. The method includes the following steps of: drop-filling liquid crystal molecules on a color film substrate having a seal frame, wherein the liquid crystal molecules are doped with thermal reactive monomers; and heat-curing a frame, and simultaneously making the thermal reactive monomers in the liquid crystal molecules into a polymer on the surface of the alignment film. The reliability of the alignment film is improved by the present invention.

Disclosed is an inkjet head cleaning device comprising: a body; an ejection part formed in the body, and configured to eject a cleaning liquid to a nozzle surface of a head; and, a suction part formed in the body, and configured to suck the cleaning liquid ejected from the ejection part and used for cleaning the nozzle surface of the head, and foreign substances separated from the nozzle surface of the head; and wherein the ejection part comprises, a perpendicular passage through which the cleaning liquid flows and a discharge end at the end of the perpendicular passage and configured to guide the cleaning liquid to eject toward the suction part.

The present invention relates to a thermally curable sealant composition for sealing liquid crystal by means of one-drop-filling process, the cured product thereof and the manufacturing method of liquid crystal by using the same.

The present invention provides a liquid crystal dropping device and method, relates to technical field of manufacturing liquid crystal display devices, and may solve the problem of defective display resulting from dropping of liquid crystal on a substrate in the existing technology. The liquid crystal dropping device of the present invention comprises a platform for bearing substrates and a temperature adjusting unit for adjusting temperature of at least partial area of the substrate.

The present disclosure provides a display substrate assembly, a display panel and its manufacturing method, and a display device. The display substrate assembly comprises a display substrate, a first spacer and a second spacer arranged at one side of the display substrate wherein a height of the first spacer is no greater than a height of the second spacer, and a pressure-sensitive adhesive layer arranged at an end of the second spacer away from the display substrate. The present disclosure can prevent slip of the second spacer when the display panel is subjected to a horizontal external force.

A liquid crystal display device includes a first substrate, a second substrate, a liquid crystal sandwiched between the substrates, and a display region. A hole portion is formed in the display region. A first seal portion is formed to surround the display region. A second seal portion is formed to surround the hole portion. The first and the second seal portions seal the liquid crystal. The second seal portion has a first end portion on the liquid crystal side and a second end portion on the opposite side of the liquid crystal side. A sealing material is present in the first end portion. A sealing material is present in the second end portion. A wall-like spacer is formed between the first and the second end portions to surround the hole portion. The wall-like spacer defines the gap between the first and the second substrates.

Provided are: a liquid crystal dropping device capable of accurately dropping liquid crystal material while generation of foreign substances is suppressed; and a method of manufacturing a liquid crystal display apparatus capable of manufacturing a liquid crystal display apparatus with preferable display quality and high yield in which the occurrence of a display failure such as a luminous-dot failure is suppressed. The liquid crystal dropping device 1 includes a liquid crystal bottle 2 which stores liquid crystal material 61, a three-way valve 3, a liquid crystal ejecting part 4, a nozzle 5 and a driving unit 7. The liquid crystal ejecting part 4 includes a syringe 41 with a bottomed cylindrical shape as well as a plunger 44 constituted by a slide part 42 which slides in the syringe 41 and a support 43 which has a bar-like shape and supports the slide part 42. The operation control part 8 reciprocates the plunger 44 before the liquid crystal material 61 is dropped from the nozzle 5, with a reciprocating distance shorter than a stroke for dropping the liquid crystal material.

Embodiments of the present disclosure relates to a liquid crystal drop filling system comprising a liquid crystal drop filling device performing a liquid crystal drop filling process to obtain a liquid crystal panel; an image acquisition device acquiring an image of the liquid crystal panel; an image processor processing the acquired image and determining a defect of the liquid crystal panel based on the processed image; and a communication module communicating an information about the defect determined by the image processor to the liquid crystal drop filling device, so that the liquid crystal drop filling device can adjust parameters of the liquid crystal drop filling process according to the information. In addition, the present disclosure further discloses a control method of a liquid crystal drop filling system.

The embodiments of the present disclosure provide a liquid crystal cell, a method for manufacturing the liquid crystal cell and a display panel. The method for manufacturing the liquid crystal cell comprises: forming a fixed retaining wall structure on a first substrate, at least a part of the fixed retaining wall structure being used for forming a border of the liquid crystal cell; injecting liquid crystal into the retaining wall structure; forming a first pure heat curing adhesive on a second substrate for sealing the border of the liquid crystal cell; performing cell aligning to the first substrate and the second substrate, thereby aligning the retaining wall structure on the first substrate with the first pure heat curing adhesive on the second substrate; and performing heat curing to the first pure heat curing adhesive, thereby sealing the border of the liquid crystal cell.