Liquid crystal pump, liquid crystal dripping system and liquid crystal dripping method
A liquid crystal and instillation technology, applied in nonlinear optics, instruments, optics, etc., can solve the problems of material performance degradation, long preparation cycle, poor display, etc., to improve production capacity, increase infusion speed, and reduce high-viscosity liquid crystal leakage drop effect
Inactive Publication Date: 2017-11-21
BOE TECH GRP CO LTD
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Problems solved by technology
Due to the inertia problem of the motor when switching between forward and reverse rotation, there are certain problems in both the response time and the service life of the motor
Moreover, the slow working speed is easy to cause defects such as Miss Shot during the high-viscosity liquid crystal instillation process and cause the product preparation cycle to be too long
When producing a display with large size and multiple liquid crystal injection points, if the infusion time is too long, the liquid crystal exposed to the atmosphere will be polluted by inorganic ions and organic substances, which will lead to a decrease in material performance, resulting in poor display
Method used
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[0052] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The examples described in the following exemplary embodiments do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.
[0053] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...
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The invention provides a liquid crystal pump, a liquid crystal dripping system and a liquid crystal dripping method. The liquid crystal pump comprises a pump shell, a linear container, a liquid crystal spraying pipe, a piston and a cavity, the linear container is arranged in the pump shell and can unidirectionally rotate by 360 degrees around a central axis, the liquid crystal spraying pipe is arranged at the bottom of the pump shell, the linear container comprises a liquid crystal injection channel, a liquid crystal inlet, a liquid crystal outlet, a liquid crystal dripping channel, a dripping inlet and a dripping outlet, the liquid crystal outlet is communicated with the liquid crystal inlet through the liquid crystal injection channel, the piston can motion in the cavity along a first direction after the piston aligns to the liquid crystal outlet, the dripping outlet is communicated with the dripping inlet through the liquid crystal dripping channel, the dripping outlet aligns to the liquid crystal spraying pipe, and the piston can motion in the cavity along a second direction when the piston aligns to the dripping inlet. According to the liquid crystal pump, high-viscosity liquid crystal dripping can be decreased, product preparation period is shortened, production capacity is improved, and the service life of a motor further can be prolonged.
Description
technical field [0001] The present application relates to the technical field of liquid crystal infusion, in particular to a liquid crystal pump, a liquid crystal infusion system and a liquid crystal infusion method. Background technique [0002] Liquid Crystal Dispenser (LCD for short) is an indispensable equipment in the global liquid crystal display manufacturing field. This equipment is mainly responsible for liquid crystal dispensing on glass substrates with certain process requirements. In the liquid crystal infusion process, infusion accuracy and infusion speed become important parameters of equipment and technology, but in related technologies, it has been difficult to achieve the ideal state in terms of infusion speed, which is inseparable from the structure and working mode of infusion device. [0003] Driven by a servo motor, the liquid crystal pump in the related art cooperates with the piston in a reciprocating forward and reverse direction of 90° to complete th...
Claims
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Login to View More IPC IPC(8): G02F1/1341
CPCG02F1/1341G02F1/13415
Inventor 房松杨爱军
Owner BOE TECH GRP CO LTD