3results about How to "Strong thickness" patented technology

The present application relates to the technical field of 3D printing, and particularly relates to a printing device and forming method of a circuit protection layer of a display device. The printing device of the present application comprises: a main support; the main support has a front end and a rear end along a horizontal direction; at least two barrier wall printing units, which are adapted to print and form barrier walls on the surface of the connection area and / or non-connection area of a flexible circuit board respectively; the printing unit comprises a printing needle; the printing units are arranged at intervals in the direction from the front end to the rear end; a filling glue printing unit is arranged at intervals with the barrier wall printing units in the direction from the front end to the rear end, is located between the rear end and the barrier wall printing units, and is adapted to print filling glue in the space between the multiple barrier walls formed by the multiple printing units to form a circuit protection layer; the circuit protection layer covers at least the connection area. The present application can effectively solve the problems of poor uniformity of the film layer thickness of the circuit protection layer, influence on packaging, and even possible influence on the display effect.

The invention relates to the technical field of 3D printing, in particular to a printing device and a forming method of a circuit protection layer of a display device. The printing apparatus of the present invention comprises: a main body support; the body support is provided with a front end and a rear end in the horizontal direction. The at least two retaining wall printing units are suitable for printing on the surfaces of the connecting area and / or the non-connecting area of the flexible circuit board to form retaining walls; the printing unit comprises a printing needle; the printing units are arranged at intervals in the direction from the front end to the rear end. The filling glue printing unit and the retaining wall printing unit are arranged in a spaced mode in the direction from the front end to the rear end, and the filling glue printing unit is located between the rear end and the retaining wall printing unit and suitable for printing filling glue in the space among the retaining walls formed by the multiple printing units to form a circuit protection layer; the circuit protection layer at least covers the connection area. The circuit protection layer can effectively solve the problems that the film thickness uniformity of the circuit protection layer is poor, packaging is affected, and even the display effect is possibly affected.

The invention discloses an air supply pipeline connecting device which comprises a limiting piece, the limiting piece comprises a C-shaped clamping piece and an extension plate which is located on the same plane with an upper plate of the C-shaped clamping piece and fixedly connected with the upper plate of the C-shaped clamping piece, a fixing through hole is formed in the end, away from the C-shaped clamping piece, of the extension plate, and a pressing through hole is formed in a lower plate of the C-shaped clamping piece; the fixing bolt penetrates through the fixing nut, the upper plate of the C-shaped clamping piece and the steel pipe flange so as to fix the limiting piece to the steel pipe flange, the limiting piece can rotate with the fixing bolt as the axis, the pressing bolt penetrates through the pressing through hole and is in threaded connection with the lower plate of the C-shaped clamping piece, and the upper end of the pressing bolt abuts against the connecting part or the sealing plate. And the hose is connected with the air supply pipeline or the end part of the air supply pipeline is sealed by a sealing plate. When the sealing plate and the hose connector at the end of the air supply pipeline are replaced, only the pressing bolt and the rotating limiting piece need to be rotated, operation is easy, the workload is small, and the time cost is saved.