Polarized-light-emitting SMD LED lamp bead and method for batch manufacturing the same
AssigneeZhengzhou Shenglong Information Technology Co., Ltd.
InventorPeng Wang
Life of this patent
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Abstract
The invention relates to a polarized-light-emitting SMD (surface-mounted device) LED (light-emitting diode) lamp bead and a method of batch manufacturing the same; the LED lamp bead comprises an SMD LED lamp bead bracket and N LED light-emitting die(dice) on its inner bottom surface, wherein a polarizing film is horizontally disposed above the LED light-emitting die, and first light-transmitting glue is filled between the inner bottom surface of the bracket and the lower surface of the polarizing film.
Claims7
A method of batch manufacturing a polarized-light-emitting SMD LED lamp beads, wherein the polarized-light-emitting SMD LED lamp beads comprises an SMD LED lamp bead bracket and N LED light-emitting die (dice) with N being a natural number greater than or equal to 1 and the N LED light-emitting die (dice) being disposed on the inner bottom surface of the SMD LED lamp bead bracket, wherein a polarizing film is horizontally disposed above the N LED light emitting die (dice), and the gap between the inner bottom surface of the SMD LED lamp bead bracket and the lower surface of the polarizing film is filled with cured first light-transmitting glue;
- wherein the method comprises the following steps:
- Step 1:
- mounting N LED light-emitting die (dice) onto the inner bottom surface of each SMD LED lamp bead bracket in an SMD LED lamp bead bracket matrix, and connecting the electrodes of the N LED light-emitting die (dice) with the conductive area on the inner bottom surface of the SMD LED lamp bead bracket to form an electric path, wherein N is a natural number greater than or equal to 1;
- and interconnecting all the SMD LED lamp bead brackets in the SMD LED lamp bead bracket matrix, wherein each SMD LED lamp bead bracket is labeled with a direction-signifying mark;
- Step 2:
- preheating the semi-finished product formed in Step 1;
- Step 3:
- filling first light-transmitting glue into each SMD LED lamp bead bracket with a glue dispenser until the N LED light-emitting die (dice) is (are) immersed in the first light-transmitting glue, wherein the surface of the first light-transmitting glue is kept horizontal;
- Step 4:
- baking the semi-finished product formed in Step 3 to cure the first light-transmitting glue filled in each SMD LED lamp bead bracket;
- Step 5:
- extracting a small piece of polarizing film from a polarizing film matrix with a surface mounter, and pasting it onto the surface of the first light-transmitting glue in the SMD LED lamp bead bracket to form a polarizing film on the surface of the first light-transmitting glue;
- a polarizing film matrix is made of a whole polarizing film with a first bottom film, wherein the whole polarizing film is pasted to the first bottom film via the glue on the lower surface of the polarizing film;
- the method of manufacturing a polarizing film matrix comprises the following steps:
- placing a whole polarizing film with a first bottom film into a cutter, cutting the whole polarizing film into neatly-aligned small pieces of polarizing film according to a preset program, and forming a polarizing film matrix, wherein each small piece of polarizing film in the polarizing film matrix matches the SMD LED lamp bead bracket in terms of shape and size, the first bottom film remains uncut and the polarizing film matrix remains pasted to the upper surface of the first bottom film;
- Step 6:
- disconnecting the SMD LED lamp bead brackets from each other to form independent SMD LED lamp beads;
- Step 7:
- binning the SMD LED lamp beads into different types with a splitter;
- Step 8:
- taping different types of SMD LED lamp beads separately with a taping machine.
A method of batch manufacturing the polarized-light-emitting SMD LED lamp beads, wherein the polarized-light-emitting SMD LED lamp beads comprises an SMD LED lamp bead bracket and N LED light-emitting die (dice) with N being a natural number greater than or equal to 1 and the N LED light-emitting die (dice) being disposed on the inner bottom surface of the SMD LED lamp bead bracket, wherein a polarizing film is horizontally disposed above the N LED light emitting die (dice), and the gap between the inner bottom surface of the SMD LED lamp bead bracket and the lower surface of the polarizing film is filled with cured first light-transmitting glue, and a layer of cured second light-transmitting glue or a second light-transmitting film is disposed on the upper surface of the polarizing film;
- wherein the method comprises the following steps:
- Step 21:
- mounting N LED light-emitting die (dice) onto the inner bottom surface of each SMD LED lamp bead bracket in an SMD LED lamp bead bracket matrix, and connecting the electrodes of the N LED light-emitting die (dice) with the conductive area on the inner bottom surface of the SMD LED lamp bead bracket to form an electric path, wherein N is a natural number greater than or equal to 1;
- and interconnecting all the SMD LED lamp bead brackets in the SMD LED lamp bead bracket matrix, wherein each SMD LED lamp bead bracket is labeled with a direction-signifying mark;
- Step 22:
- preheating the semi-finished product formed in Step 21;
- Step 23:
- filling first light-transmitting glue into each SMD LED lamp bead bracket with a glue dispenser until the N LED light-emitting die (dice) is (are) immersed in the first light-transmitting glue, wherein the surface of the first light-transmitting glue is kept horizontal;
- Step 24:
- placing a small piece of polarizing film from a taped polarizing film onto the surface of the first light-transmitting glue in the SMD LED lamp bead bracket with a surface mounter to form a polarizing film on the surface of the first light-transmitting glue, wherein the height of the surface of the first light-transmitting glue allows the polarizing film to be disposed inside the SMD LED lamp bead bracket;
- the method of manufacturing a taped polarizing film comprises the following steps:
- placing a whole polarizing film without glue on the front and back surfaces into a cutter, cutting the whole polarizing film into small pieces of polarizing film with the same size according to a preset program, wherein each small piece of polarizing film in the polarizing film matrix matches the SMD LED lamp bead bracket in terms of shape and size and is labeled with a direction-signifying mark, and then taping all the small polarizing film pieces with a taping machine to form a taped polarizing film;
- Step 25:
- coating the polarizing film in each SMD LED lamp bead bracket with a layer of second light-transmitting glue by a glue dispenser, and baking it or exposing it to ultraviolet rays to cure the second light-transmitting glue in the SMD LED lamp bead bracket;
- Step 26:
- disconnecting the SMD LED lamp bead brackets from each other to form independent SMD LED lamp beads;
- Step 27:
- binning the SMD LED lamp beads into different types with a splitter;
- Step 28:
- taping different types of SMD LED lamp beads separately with a taping machine.
Dependencies are inferred from the claim text.