Hon Hai Precision Industry Co., Ltd.

Hong-fu Jin Precision Industry (shenzhen) Co., Ltd.

Ming-Fu Hsu

Tung-Ming Hsu

Chien-Min Chen

Rui Zhou

Wen-Feng Cheng

Chia-Huang Chang

Hsiang-Feng Teng

Shi-Ping Xu

An exemplary method for making backlight module frame includes: providing a plurality of metallic sheets cooperatively defining a frame shape, and a positioning device comprising a worktable and a plurality of positioning portions defined at corners of the worktable, wherein each metallic sheet comprises a first positioning protrusion corresponding to the positioning portions, positioning the metallic sheets on the worktable of the positioning device with the first positioning protrusions of the metallic sheets engaging with the positioning portions of the positioning device, welding the metallic sheets together to form a semi-manufactured frame, and pressing the semi-manufactured frame to form a backlight module frame.

Method for making backlight module frame

An exemplary method for making backlight module frames includes: method includes: providing a first metallic sheet and a second metallic sheet, each of the first and second metallic sheets having at least two L-shaped portions connected side by side and oriented in the same direction; welding the two metallic sheets to form a plurality of connected semi-manufactured frames corresponding to s subsequent backlight module frame; and pressing the connected semi-manufactured frames to form a plurality of backlight module frames. The method costs less welding time and it is convenient for the backlight module frames to be mass-produced.

An exemplary liquid crystal display module includes a liquid crystal display panel, a backlight unit, a bottom frame, and an upper frame. The backlight unit is positioned on the bottom frame. The upper frame is assembled on the bottom frame to fix the backlight unit in position. The upper frame includes four sidewalls, a top flange extending from the four sidewalls towards a center of the upper frame, and a plurality of supporting members defined at the inner surfaces of the sidewalls adjacent to the top flange. At least one of the supporting members is resilient. The liquid crystal display panel is held in place between the top flange and the supporting members. A method for assembling the liquid crystal display module is also provided.

Liquid crystal display module and method for assembling the same

A display device () includes a first frame (), a backlight module (), a display panel (), and a second frame (), in that order. A groove () is defined at one end of the first frame. The backlight module includes a light guide plate () and a light source device (). The light guide plate includes a light incident surface (), a light emitting surface () and a bottom surface (). The light source device is located at one end of the light incident surface of the light guide plate and received in the groove of the first frame. The display panel is located between the backlight module and the second frame. A locking portion () is formed at one end of the second frame. The locking portion is engaged with the groove. The first frame is engaged with the second frame.

Display device

An exemplary optical guiding device for optically coupling a plurality of light beams having at least one laser beam, includes a light coupling lens, a light collimating lens, and an optical fiber. The light coupling lens and the light collimating lens are positioned apart along an optical path. The optical fiber is optically coupled to the light couple lens. External laser beam introduced by the optical fiber are optically coupled by the light coupling lens for collimating and mixing the light beams, then collimated by the at least one light collimating lens, and finally emitting out. A backlight module using the optical guiding device with colored semiconductor lasers and light transferring device are also provided. The backlight module has a good color performance, such as high color saturation.

Optical guiding device and backlight module using same

An exemplary process for making a light guide includes the steps of: providing a transparent base sheet; punching the base sheet to form an array of first apertures therein; coating a melted resin material in the first apertures and making the melted resin material fill up the first apertures; solidifying the melted resin material to form a plurality of resin blocks; punching the base sheet to form an array of second apertures in the resin blocks, the second apertures configured for illuminating the keys via at least one light source; and trimming the base sheet with the second apertures to form a light guide. A light guide made by the process is also provided.

Keypad light guide with lined apertures

An exemplary method for making a backlight module, the method includes steps in following order: providing a transparent base sheet and at least one light emitting diode; punching the base sheet to form an aperture therein; fixing the at lease one light emitting diode in the aperture, the at least one light emitting diode and an inner side surface of the aperture cooperatively defining a space; injecting an adhesive into the space between the at least one light emitting diode and the inner side surface of the aperture; solidifying the adhesive; and trimming the base sheet with the at least one light emitting diode in the aperture to form the backlight module.

Method for making backlight module

A frame includes a frame body and a plurality of fixing units. The frame body includes a base and a plurality of sidewalls extending from the peripheral of the base, the base and the sidewalls cooperatively forming a receiving cavity to receive the liquid crystal module. The fixing units are configured for enclosing the sidewalls and confining the liquid crystal module into the receiving cavity of the frame body. Each fixing unit is securely bounded with the liquid crystal module and the sidewall of the frame body respectively. A display device using the frame is also provided, which can be assembled efficiently and decreases the cost of materials.

Display device comprising a liquid crystal module defining a plurality of positioning columns along each edge of a top surface thereof

A direct type backlight module () includes a substrate (), a diffusion sheet () disposed above the substrate, a plurality of spacers () and a plurality of light sources (). The spacers are disposed between the substrate and the diffusion sheet. Each spacer includes a bottom surface () contacting with the substrate. A groove () is defined in the bottom surface, and a light incident surface () is defined on inner surface of the groove. A pair of wings is disposed on two sides of the bottom surface for supporting the diffusion sheet. Each wing includes an outer side surface and an inner side surface, and a transflective film is formed on the inner side surfaces of the wing. The light sources are respectively disposed in the grooves.

Direct type backlight module

A light guide element () includes a light guide plate () and a frame (). The light guide plate includes a first guiding portion (), and a second guiding portion () adjoining the first guiding portion. The first guiding portion has a first light-emitting surface (), a first back surface () opposite to the first light-emitting surface, and a light incident surface () connecting the first light-emitting surface and the first back surface. The second guiding portion has a second light-emitting surface () and a second back surface () opposite to the second light-emitting surface. A connecting portion () connecting the two guiding portions faces the light incident surface. The frame is integrated with the first guiding portion of the light guide plate.

Light guide element and backlight module using the same

A thermal module includes a plurality of heat dissipation units. Each of the heat dissipation units includes a main portion, a head portion, and a neck portion interconnecting the main portion and the head portion. Each main portion includes a base, a plurality of fins disposed on the base, a first latch and second latch respectively disposed on the two outermost fins. The first latch of the heat dissipation unit can be mounted into the second latch of the adjacent heat dissipation unit, and the second latch of the heat dissipation unit can be mounted into the first latch of the other adjacent heat dissipation unit, thereby the plurality of heat dissipation units are assembled. The size of the thermal module can be adjusted easily, and it is convenient to substitute the damaged light source module. This thermal module can be used in a backlight system.

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Tu-Cheng, Taiwan

Ming-Fu Hsu