WO2008055385A1 - Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication - Google Patents

Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication Download PDF

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Publication number
WO2008055385A1
WO2008055385A1 PCT/CN2006/003001 CN2006003001W WO2008055385A1 WO 2008055385 A1 WO2008055385 A1 WO 2008055385A1 CN 2006003001 W CN2006003001 W CN 2006003001W WO 2008055385 A1 WO2008055385 A1 WO 2008055385A1
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WO
WIPO (PCT)
Prior art keywords
side wall
backlight module
light source
wall
disposed
Prior art date
Application number
PCT/CN2006/003001
Other languages
English (en)
Chinese (zh)
Inventor
Ea Si Lee
Shen Yin Tsai
Chin Lung Kuo
Original Assignee
Chi Lin Technology Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chi Lin Technology Co., Ltd filed Critical Chi Lin Technology Co., Ltd
Priority to PCT/CN2006/003001 priority Critical patent/WO2008055385A1/fr
Priority to CN200680056326XA priority patent/CN101669063B/zh
Publication of WO2008055385A1 publication Critical patent/WO2008055385A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package

Definitions

  • the present invention relates to a backlight module, a liquid crystal display having a backlight module, a portable computer having a backlight module, and a backlight module or a backlight module.
  • the digital electronic device of the liquid crystal display or the portable computer and the manufacturing method thereof, in particular, the light source of the backlight module is disposed by using an attachable/Detachable method, so that the backlight module related product can be partially disassembled when the light source is damaged during the after-sales use.
  • An edge-lit backlight module that separately replaces a light source, a liquid crystal display, a portable computer, and other digital electronic devices having a backlight module or a liquid crystal display or a portable computer and a method of fabricating the same.
  • a backlight module is widely used in the field of flat panel displays. Since the liquid crystal itself does not emit light, it is necessary to provide a light source with a sufficiently uniform brightness through the backlight module to display the liquid crystal, thereby becoming an indispensable key component of the flat panel display.
  • the backlight module is divided into two types: side-lit and direct-lit.
  • the "direct-down" backlight module is such that a light source such as a cold cathode fluorescent tube is placed directly under the module.
  • the conventional direct-lit backlight module using a cold cathode fluorescent tube as a backlight source has gradually withdrawn from the market.
  • the "sidelight" backlight module is leading the trend.
  • the so-called “sidelight type” backlight module is generally disposed on the edge of the light guide plate by using a single-sided linear light source, and then the light source and the light guide plate are simultaneously housed in the box-shaped casing, and are known with other die, reflection sheet and polarizing plate. The component components are locked together.
  • the conventional edge-lit backlight module uses a cold cathode pod as a backlight source
  • the cold cathode tube is embedded in the lamp holder (Lamp Holder)
  • the life of the lamp of the liquid crystal display product is When the vehicle is finished or accidentally broken, it must be replaced after the replacement of the lamp 1
  • the overall module structure must be destroyed, which is not only extremely inconvenient to repair, but also expensive to repair.
  • the present invention provides a backlight module that is easy to replace a light source, a liquid crystal display having the same, a portable computer, and other digital electronic devices having the same.
  • the backlight module mainly includes a housing, and a die, a light guide plate, a reflective sheet and other known components sequentially received in the housing, wherein: a recessed portion is formed on the back of the housing to form a second side of the side wall An outer wall of the housing adjacent to the side wall, wherein the first bending portion and the inner wall of the side wall have a first positioning component, the second bending portion and the outer wall of the side wall have a second positioning component; and a light source Inside the first bent portion of the cover plate, facing one side of the light guide plate.
  • the backlight module of the present invention is easy to replace the light source, the liquid crystal display having the same, the portable computer, and other digital electronic devices having the same Another backlight module structure is also taught.
  • the backlight module mainly comprises a cymbal body, and a die, a light guide plate and a reflection sheet, etc., which are sequentially placed in the cymbal body, wherein: a recessed portion is formed on the back of the housing to form a side wall; The cover plate covers the recessed portion and is clamped with the side wall by at least one positioning component; and a light source is disposed on the inner surface of the cover plate facing the side of the light guide plate. Or, as in another embodiment of the present invention, the light source is disposed in the body recess toward the side of the light guide plate.
  • the present invention also provides a backlight module manufacturing method capable of easily replacing a light source, and a liquid crystal display, a portable computer or the like having the backlight module.
  • the method of making digital electronic devices mainly includes a housing, and a die, a light guide plate, a reflective sheet and other known components sequentially received in the housing, and the characteristic steps are: providing a recessed portion formed in the housing a back cover to form a side wall; a cover plate having a bottom plate, a first bent portion and a second bent portion, the bottom plate covering the recessed portion, the first bent portion being disposed on the inner wall of the side wall, the first The second bending portion is disposed on the outer wall of the housing adjacent to the side wall, wherein the first bending portion and the inner wall of the side wall have a first positioning component, and the second bending portion and the outer wall of the side wall have a second positioning component And a light source disposed on the inner side of the first bent portion of the cover plate facing one side of the
  • the present invention installs a backlight source in an attachable manner (Attachable/Detachable), and extends the side wall of the light source carrying cover plate outwardly on the back side of the back cover of the backlight module, and passes through the clamp cover.
  • the first positioning component and the second positioning component of the board and the housing allow the light source to bear between the cover and the side wall of the housing; or the light source carrying housing and the cover can be freely disassembled and assembled.
  • the use of the LED strip light source as the backlight source can not only replace the fragile and toxic problem of the conventional CCFL lamp, but also achieve the effects of low energy saving and low heat generation, and the metal cover plate carries the light source into the back of the casing, and the metal cover plate A bolt (third positioning element) can be added to strengthen the structural strength of the casing, and the positioning pin on the positioning component is first positioned in the casing, thereby helping to reduce the mechanical stress generated when the casing is screwed, and preventing Carcass deformation.
  • the main object of the present invention is to provide a backlight module with a detachable light source, which simplifies the operation complexity of the after-sales maintenance and replacement of the backlight source, and reduces the maintenance cost.
  • Another object of the present invention is to provide a portable metering machine manufacturing method for energy saving 03001 and reduce heat.
  • Another object of the present invention is to provide a method for fabricating a digital electronic device having a backlight module, which simplifies the operation complexity of the after-sales maintenance and replacement of the backlight source, and reduces the maintenance cost.
  • FIG. 1 is an exploded perspective view of a backlight module that is easy to replace a light source according to the present invention
  • FIG. 2 is an exploded perspective view and a partial perspective view of a backlight module of the present invention for easily replacing a light source;
  • FIG. 3 is a perspective view of a side view of a backlight module according to a first embodiment of the present invention
  • FIG. 4 is a perspective exploded view of a second embodiment of a backlight module for easily replacing a light source according to the present invention
  • FIG. 5 is a perspective top view of a body and a cover plate of a backlight module according to a second embodiment of the present invention
  • FIG. 6 is a perspective exploded view of a third embodiment of a backlight module for easily replacing a light source according to the present invention
  • FIG. 7 is a partial cross-sectional view showing a third embodiment of a backlight module that is easy to replace a light source according to the present invention.
  • FIG. 8 is a schematic flow chart of a method for fabricating a backlight module according to a tenth embodiment of the present invention
  • 9 is a schematic flow chart of a method for fabricating a backlight module according to an eleventh embodiment of the present invention
  • FIG. 10 is a schematic flowchart of a method for fabricating a backlight module according to a twelfth embodiment of the present invention
  • FIG. 12 is a schematic diagram showing a manufacturing process of at least one of a method for fabricating a liquid crystal display, a method for fabricating a portable computer, and a method for fabricating a digital electronic device according to a fourteenth embodiment of the present invention.
  • Figure 15 is a flow chart showing the manufacturing process of at least one of a method for fabricating a liquid crystal display, a method for fabricating a portable computer, and a method for fabricating a digital electronic device according to a fifteenth embodiment of the present invention.
  • Second positioning post 161 Second positioning hole 162'
  • the present invention discloses a backlight module that is easy to replace a light source, a liquid crystal display having the same, a portable computer, and other digital electronic devices using the same, and a
  • the backlight module is a side backlight type backlight module (Bide backlight) is a preferred embodiment.
  • the basic principle of the backlight module and the basic architecture of the digital product utilized by the present invention are well understood by those skilled in the art, so the following description will not be completely described.
  • the drawings referred to in the following are schematic representations relating to the features of the present invention, and are not required to be completely drawn according to actual dimensions, which are described first.
  • FIG. 1 and 2 are exploded perspective views of the backlight module of the present invention, which is easy to replace the light source.
  • FIG. 3 is a partial side perspective view of the housing 10 and the cover 15 in the backlight module 1 of the embodiment.
  • the backlight module 1 of the first embodiment of the present invention mainly includes a housing 10, and a die 13, a light guide plate 12, a reflection sheet 11, and the like which are sequentially housed in the body 10.
  • the known component is characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form the side wall 101; the cover plate 15 has a bottom plate 150, a first bent portion 151 and a second bent portion 152, the bottom plate 150 Covering the recessed portion I 4 , the first bent portion 1 is disposed on the inner wall of the sidewall 101, and the second bent portion 152 is disposed on the outer wall of the housing 10 adjacent to the sidewall 101, wherein The first bending portion 151 and the inner wall of the side wall 101 have a first positioning component 160, the second bending portion 152 and the shell The outer wall of the body 10 has a second positioning member 160'; and a light source 17 disposed on the inner side of the first bent portion 151 of the cover plate 15 and facing one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the first positioning member 160 is clamped to each other, and the first positioning post 161 protruding from the first bending portion 151 and the first positioning hole 162 disposed on the inner wall of the side wall 101, or vice versa.
  • a first positioning post protruding from the inner wall of the side wall 101 and a first positioning hole (not shown) disposed on the first bending portion 151, the first positioning post
  • the 161 has a flat shape, a cylindrical shape or a wedge-shaped structure, and is integrally formed with the first bent portion 151.
  • the second positioning member 160 ′ is also clamped to each other, and the second positioning post 161 ′ protruding from the outer wall of the housing 10 and the second positioning hole 162 ′ disposed on the second bending portion 152 or Conversely, a second positioning post (not shown) protruding from the second bending portion 152 and a second positioning hole (not shown) disposed on the outer wall of the body 10, and the first
  • the two positioning posts 16A are also formed in a flat shape, a cylindrical shape or a wedge-shaped structure, and are integrally formed with the second bent portion 152.
  • first positioning post 161 and the second positioning post 161' of the first embodiment of the present invention are not limited in structure and shape, and any of the first positioning hole 162 and the second positioning hole 162' can be respectively clamped. Screwing, snapping or clamping means are included within the scope of the equivalent extension of the invention.
  • the first embodiment of the present invention may further include a third positioning member 18 disposed on the back of the body 10 and the cover.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the body 10 and a third positioning hole 182 disposed on the bottom plate 150, or oppositely disposed on the body.
  • the third positioning hole (not shown) of the back 10 is matched with a third positioning post (not shown) protruding from the bottom plate 150, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the bottom plate 150 and the third positioning post 182 are integrally formed or separately assembled and reassembled, and the third positioning component 18 further includes A screw hole in the back of the housing 10, a through hole provided in the bottom plate 150, and a locking screw (not shown).
  • the light source 17 of the embodiment uses conventional cold cathode fluorescent light.
  • Tube CCFL
  • LED light-emitting diode
  • an LED strip light or a point-shaped light is preferably provided on the cover 15 or the housing 10.
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the first embodiment of the present invention is a printed circuit board in which at least one strip light source or a strip light source or a point light source is integrated, wherein The strip light source 17 further includes a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner side of the first bent portion 151 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water gel, a thermosetting adhesive, and a UV hardening.
  • the present invention disposes the backlight source in an attachable manner (Attachable/Detachable), and extends the side wall of the light source carrying cover plate outwardly on the back side of the back cover of the backlight module, and clamps the cover plate by clamping the cover plate.
  • the first positioning component and the second positioning component of the housing are freely detachable and assembled between the light source carrying cover and the side wall of the housing. Therefore, when a liquid crystal display, a portable computer, or other digital electronic device with a backlight module is sold, if the light source is damaged during use, the repair shop only needs to partially fix the positioning component, and the light source can be completely replaced, thereby greatly reducing The complexity of the light source replacement work and the cost of maintenance.
  • the backlight module 1 of the second embodiment of the present invention mainly includes a housing 10, and a die 13, a light guide plate 12 and a reflection which are sequentially accommodated in the body 10.
  • the sheet 11 or the like is characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form the side wall 101; a cover plate I 5 , the cover plate 15 is over the recessed portion 14 , and the side wall 101 is
  • the light source 17 is disposed on the inner surface of the cover plate 15 toward the side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acryl, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning elements 160 are clamped to each other, convex At least one positioning post 161 disposed on the cover plate 15 and at least one positioning hole 162 disposed on the inner wall of the side wall 101, or conversely, at least one positioning post protruding from the inner wall of the side wall 101 (not shown)
  • the at least one positioning hole 161' protruding from the outer wall of the body 10 is matched with the at least one positioning hole (not shown) provided in the cover plate 15;
  • the positioning posts 161 have a flat, cylindrical or wedge-shaped structure and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161') of the second embodiment of the present invention is not limited in structure and shape, and any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is It is included within the scope of the equivalent extension of the invention.
  • the second embodiment of the present invention further includes a third positioning member 18 disposed on the back of the housing 10 and the cover plate 15.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the body 10 and a third positioning hole 182 disposed on the cover plate 15 or oppositely disposed on the casing.
  • a third positioning hole (not shown) on the back of the body 10 is coupled to a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 182 are integrally formed or separately assembled and assembled, and the third positioning component 18 further includes A screw hole on the back of the body 10, a hole provided in the cover plate 15 and a locking screw (not shown). Since the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight source replacement, the light source is arranged to be placed in an attachable Detachable manner. Therefore, as shown in FIG. 4 and FIG.
  • a light source diode can also be used as a backlight source, and LED strip light sources (Light bar) are disposed at each position on the cover plate 15. ) or multiple point sources
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the second embodiment of the present invention is a printed circuit using at least one strip light source or a strip light source or a point light source.
  • the strip, wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the cover plate 15 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of double-sided adhesive film, water glue, thermosetting glue, UV hardening glue and two A group of stage-binders (B-stage).
  • the material of the adhesive layer 19 is selected from the group consisting of double-sided adhesive film, water glue, thermosetting glue, UV hardening glue and two A group of stage-binders (B-stage).
  • the backlight module 1 of the third embodiment of the present invention mainly includes a housing 10, and a die 13, a light guide plate 12 and a reflection which are sequentially accommodated in the housing 10.
  • the sheet 11 or the like is characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form a side wall 101; a cover plate 15 covering the recessed portion 14 and being associated with the side wall 101 The at least one positioning member 160 is clamped; and the light source 17 is disposed on an inner side surface of the recess portion 14 of the housing 10 and faces one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning member 160 is affixed to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the positioning hole 162
  • At least one positioning post 161 ′ of the outer wall of the outer wall and the at least one positioning hole 162 ′ of the cover plate 15 or oppositely disposed at least one positioning post protruding from the cover plate 15 and the same is disposed on the housing 10 .
  • the positioning posts 161 (or 161') are flat, cylindrical or wedge-shaped and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161') of the third embodiment of the present invention is not limited in structure and shape, and any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is It is included within the scope of the equivalent extension of the invention.
  • the third embodiment of the present invention further includes a third positioning member 18 disposed on the back of the body 10 and the cover plate 15. .
  • the third positioning component 18 includes a body 10 disposed on the body 10.
  • the third positioning post 181 of the back is matched with the third positioning hole 182 disposed on the cover plate 15 or, conversely, a third positioning hole (not shown) provided on the back of the housing 10
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 182 are integrally formed or separately assembled and assembled, and the third positioning component 18 further includes A screw hole on the back of the housing 10, a through hole provided in the bottom plate 150, and a locking screw (not shown). Since the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight source replacement, the light source setting emphasizes the attachment of the light source in an attachable/detachable manner. Therefore, as shown in FIG. 4, FIG. 5, FIG. 6 and FIG.
  • the light source 17 of the embodiment is embedded in the cover 15 or the casing 10 by using a conventional cold cathode fluorescent tube (CCFL), and may also use a light emitting diode (LED) as a backlight source, and each of the housings 10 The position is set to a LED strip light or a plurality of point-shaped light as a preferred embodiment (as shown in Fig. 7).
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light emitting diodes (WMte Light LEDs) or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the third embodiment of the present invention uses at least one strip light source or integrated strip light source or A printed circuit board of a point light source, wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the recessed portion 14 of the casing 10 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water-based adhesive, a thermosetting adhesive, and a UV hardened adhesive.
  • a fourth embodiment of the present invention teaches a liquid crystal display having a backlight module that is easy to replace a light source, and the liquid crystal display unit mainly includes a liquid crystal panel 10' and a housing 10, and is sequentially housed in the body.
  • a known element such as the die 13, the light guide plate 12, and the reflection sheet 11 in 10.
  • the liquid crystal panel 10' is formed with at least one backlight that is detachable as described in the foregoing embodiments.
  • Module 1 The names and numbers of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG. 3, so please refer to the foregoing embodiments and the drawings, which will not be further described in this embodiment.
  • a liquid crystal display device is characterized in that: a recess portion 14 is formed on the back of the body 10 to form a wall 101; a cover plate 15 having a bottom plate 150 and a first bend a portion 151 and a second bent portion 152, the bottom plate 150 is disposed above the recess portion 14, the first bent portion 151 is disposed on the inner wall of the side wall 101, and the second bent portion 152 is disposed adjacent to the bottom portion
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the first positioning member 160 is clamped to each other, and the first positioning post 161 protruding from the first bending portion 151 and the first positioning hole 162 disposed on the inner wall of the side wall 101, or vice versa.
  • the 161 has a flat shape, a cylindrical shape or a wedge-shaped structure, and is integrally formed with the first bent portion 151.
  • the second positioning member 160 ′ is also clamped to each other, and the second positioning post 161 ′ protruding from the outer wall of the housing 10 and the second positioning hole 162 ′ disposed on the second bending portion 152 or Conversely, a second positioning post (not shown) protruding from the second bending portion 152 and a second positioning hole (not shown) disposed on the outer wall of the body 10, and the first
  • the two positioning posts 16A are also formed in a flat shape, a cylindrical shape or a wedge-shaped structure, and are integrally formed with the second bent portion 152.
  • first positioning post 161 and the second positioning post 161 ′ of the fourth embodiment of the present invention are not limited in structure and shape, and any of the first positioning hole 162 and the second positioning hole 162 ′ can be respectively clamped. Screwing, snapping or clamping means are included within the scope of the equivalent extension of the invention.
  • the fourth embodiment of the present invention further includes a third positioning member 18 disposed on the back of the body 10 and the cover plate 15. Base plate 150. As shown in FIG.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the body 10 and a third positioning hole 182 disposed on the bottom plate 150, or vice versa.
  • a third positioning post (not shown) is disposed on the bottom plate 150, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the bottom plate 150 and the third positioning post 182 are integrally formed or separately assembled and reassembled, and the third positioning component 18 further includes A screw hole in the back of the housing 10, a through hole provided in the bottom plate 150, and a locking screw (not shown).
  • the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight light source replacement, the light source is emphasized to be placed in an attachable/detachable manner, so that the light source 17 of the embodiment is used in addition to the conventional cold.
  • a cathode fluorescent tube (CCFL) is embedded in the cover 15 or the body 10, and a light-emitting diode (LED) can also be used as a backlight source, and an LED strip light or light bar is disposed on the cover 15 or the housing 10.
  • a plurality of point-shaped light sources are preferred embodiments.
  • the light emitting diode (LED) of the light source 17 may be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the fourth embodiment of the present invention is a printed circuit board in which at least one strip light source or a strip light source or a point light source is integrated, wherein The strip light source 17 further includes a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner side of the first bent portion 151 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water gel, a thermosetting adhesive, and a UV hardening.
  • the present invention installs the backlight source in an attachable/Detachable manner, and extends the side wall of the light source carrying cover plate outwardly on the back side of the housing of the backlight module, and passes through the clamping cover.
  • the first positioning element and the second positioning element of the plate and the casing are freely detachable and assembled between the cover plate accommodating the light source and the side wall of the casing; or between the casing and the cover plate accommodating the light source.
  • the use of the LED strip light source as the backlight source can not only replace the problem of the fragile and toxic of the conventional CCFL lamp, but also achieve the effects of energy saving and low heat generation
  • the metal cover bearing light source is placed on the back of the housing, and a bolt (third positioning element) can be added on the metal cover to enhance the structural strength of the housing, and the positioning post of the first positioning component and the positioning post of the second positioning component are in the shell
  • the body is positioned first, so it also helps to reduce the mechanical stress generated when the shell is screwed, and prevents the shell from deforming.
  • a fifth embodiment of the present invention discloses a liquid crystal display having a backlight module that is easy to replace a light source.
  • the liquid crystal display mainly includes a liquid crystal panel 10' and a housing 10, and a die 13 and a guide sequentially accommodated in the housing.
  • a known element such as the light plate 12 and the reflection sheet 11 is used.
  • the liquid crystal panel 10' is formed with at least one backlight module 1 in a removable manner as described in the foregoing embodiments.
  • the names and numbers of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG. 3, so please refer to the foregoing embodiments and the drawings, which will not be further described in this embodiment. Referring to the foregoing embodiment, as shown in FIG. 1 to FIG.
  • the backlight module 1 of the fifth embodiment of the present invention mainly includes a body 10, and a die 13, a light guide plate 12 and a reflection which are sequentially accommodated in the body 10.
  • the sheet 11 or the like is characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form the side wall 101; a cover plate 15 covering the recessed portion 14 and being associated with the side wall 101 The at least one positioning component 160 is clamped; and the light source 17 is disposed on the inner surface of the cover plate 15 toward the side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acryl, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning component 160 is clamped to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the bezel 101, or conversely At least one positioning post (not shown) of the inner wall of the side wall 101 and at least one positioning hole (not shown) disposed on the cover plate 15; or are mutually clamped to each other, protruding from the housing At least one positioning post 161 ′ of the outer wall of the outer wall and the at least one positioning hole 162 of the cover plate 15 , or oppositely disposed at least one positioning post protruding from the cover plate 15 and the same is disposed on the body 10 . At least one positioning hole of the outer wall (not shown in the drawings).
  • the positioning posts 161 (or 16 ⁇ ) have a flat, cylindrical or wedge-shaped structure and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161') of the fifth embodiment of the present invention is not limited in structure and shape, and any of the positioning holes can be respectively clamped.
  • the screwing, snapping or clamping means of the locating holes are all included in the scope of the equivalent extension of the invention.
  • the fifth embodiment of the present invention may further include a third positioning component disposed on the back of the housing 10 and the cover plate 15. 18.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole 182 disposed on the cover plate 15, or vice versa.
  • a third positioning hole (not shown) on the back of the body 10 is coupled to a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 182 are integrally formed or separately assembled and assembled, and the third positioning component 18 is further provided.
  • the light source 17 can be embedded in any of the cover plates 15 by using a conventional cold cathode fluorescent tube (CCFL), and a light-emitting diode (LED) can also be used as a backlight source.
  • LED strip light sources Light bar are disposed on the cover plate 15 at various positions. ) or multiple point sources
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the fifth embodiment of the present invention is a printed circuit using at least one strip light source or a strip light source or a point light source.
  • the strip wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the cover plate 15 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of double-sided adhesive film, water glue, thermosetting glue, UV hardening glue and two A group of stage-binders (B-stage).
  • a sixth embodiment of the present invention teaches a liquid crystal of a backlight module having an easy replacement light source
  • the display device mainly includes a liquid crystal panel 10' and a casing 10, and a known element such as a die 13, a light guide plate 12 and a reflection sheet 11 which are sequentially accommodated in the casing 10.
  • the liquid crystal panel 10' is formed with at least one backlight module 1 in a removable manner as described in the foregoing embodiments.
  • the names and numbers of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG. 3, so please refer to the foregoing embodiments and the drawings, which will not be further described in this embodiment. Referring to FIG. 1 to FIG.
  • the backlight module 1 of the liquid crystal display of the sixth embodiment of the present invention mainly includes a body 10, and a die 13 and a light guide plate sequentially accommodated in the casing 10. 12 and a reflection sheet 11 and the like, characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form a side wall 101; a cover plate 15 covering the recess portion 14 and The side wall 101 is clamped by at least one positioning member 160; and the light source 17 is disposed on the inner surface of the recessed portion 14 of the housing 10 and faces one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning member 160 is mutually clamped to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the positioning hole 162
  • At least one positioning post 161 ′ of the outer wall of the outer wall and the at least one positioning hole 162 ′ of the cover plate 15 or oppositely disposed at least one positioning post protruding from the cover plate 15 and the same is disposed on the housing 10 .
  • At least one positioning hole of the outer wall (not shown in the drawings).
  • the positioning posts 161 (or 16 turns) are flat, cylindrical or wedge-shaped and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161') of the sixth embodiment of the present invention is not limited in structure and shape, and any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is It is included within the scope of the equivalent extension of the invention.
  • the sixth embodiment of the present invention may further include a third positioning component disposed on the back of the housing 10 and the cover plate 15. 18.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole I 82 disposed on the cover plate 15 or vice versa.
  • a third positioning hole (not shown) on the back of the housing 10 is coupled to a third positioning post (not shown) of the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 182 are integrally formed or separately assembled and assembled, and the third positioning component 18 further includes A screw hole on the back of the housing 10, a through hole provided in the bottom plate 150, and a locking screw (not shown).
  • the light source setting emphasizes the attachment of the light source in an attachable/detachable manner. Therefore, as shown in FIG. 4, FIG. 5, FIG. 6 and FIG. 7 , the light source 17 of the embodiment is embedded in the cover 15 or the body 10 by using a conventional cold cathode fluorescent tube (CCFL), and may also use a light emitting diode (LED) as a backlight source, and each of the housings 10 The position is set to a LED strip light or a plurality of point-shaped light as a preferred embodiment (as shown in Fig. 7).
  • CCFL cold cathode fluorescent tube
  • LED light emitting diode
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes.
  • the arrangement of the light sources may be distributed in strips, arrays, dots or polygons, but not limited to the drawings.
  • the light source 17 of the sixth embodiment of the present invention adopts at least one strip light source or integrated strip light source or point.
  • the printed circuit board of the light source wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the recessed portion 14 of the casing 10 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water-based adhesive, a thermosetting adhesive, and a UV hardened adhesive.
  • a seventh embodiment of the present invention is directed to a portable computer having a backlight module that is easy to replace a light source.
  • the portable computer 1" mainly includes a host module 10" and a liquid crystal display pivotally connected to the host module 10".
  • the liquid crystal panel 10' and the casing 10, and the known components such as the die 13, the light guide plate 12, and the reflection sheet 11 are sequentially housed in the body 10.
  • the liquid crystal panel 10' is formed with at least one as described above.
  • the backlight module 1 is detachable.
  • the names and numbers of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG. 3, so please refer to the foregoing embodiments and the drawings. , this embodiment will no longer Narration.
  • a backlight module 1 in a portable metering machine 1" is characterized in that: a recessed portion 14 is formed on the back of the casing 10 to form a side wall 101; The bottom plate 150, the first bent portion 151 and the second bent portion 152, the bottom plate 150 is over the recessed portion 14, the first bent portion M1 is disposed on the inner wall of the side wall 101, the second bend
  • the folding portion I 52 is disposed on the outer wall of the housing 10 adjacent to the side wall 101, wherein the first bending portion and the inner wall of the side wall 101 have a first positioning component 160, the second bending portion 152 and the housing
  • the outer wall has a second positioning member 160'; and a light source 17 disposed on the inner side of the first bent portion 151 of the cover plate 15 and facing one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the first positioning member 160 is clamped to each other, and the first positioning post 161 protruding from the first bending portion 151 and the first positioning hole I 62 disposed on the inner wall of the side wall 101, or vice versa.
  • a first positioning post protruding from the inner wall of the side wall 101 and a first positioning hole (not shown) disposed on the first bending portion 151, the first positioning The column 161 has a flat shape, a cylindrical shape or a wedge-shaped structure, and is integrally formed with the first bent portion 151.
  • the second positioning member 160 ′ is also clamped to each other, and the second positioning post 161 ′ protruding from the outer wall of the housing 10 and the second positioning hole 162 ′ disposed on the second bending portion 152 or Conversely, a second positioning post (not shown) protruding from the second bending portion 152 and a second positioning hole (not shown) disposed on the outer wall of the housing 10, and the first
  • the two positioning posts 161' are also formed in a flat shape, a cylindrical shape or a wedge-shaped structure, and are integrally formed with the second bent portion 152.
  • first positioning post 161 and the second positioning post 161 ′ of the seventh embodiment of the present invention are not limited in structure and shape, and any of the first positioning hole 162 and the second positioning hole 162 ′ can be respectively clamped. Screwing, snapping or clamping means are included within the scope of the equivalent extension of the invention.
  • the seventh embodiment of the present invention further includes a third positioning member 18 disposed on the back of the body 10 and the cover plate 15. Base plate 150. As shown in FIG.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole 182 disposed on the bottom plate 150, or oppositely disposed on the housing.
  • a third positioning hole (not shown) is provided with a mating projection on the bottom plate 150 of the third positioning post 10 of the back (not shown), or 20 in FIG. 7 Screws shown.
  • the third positioning post 181 is a latch or a stud, and the bottom plate 150 and the third positioning post 182 are integrally formed or separately fabricated and assembled, and the third positioning component 18 is further included in the step.
  • the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight light source replacement, the light source is emphasized to be placed in an attachable/detachable manner, so that the light source 17 of the embodiment is used in addition to the conventional cold.
  • the cathode fluorescent tube (CCFL) is embedded in the cover 15 or the inside of the casing 10.
  • the light-emitting diode (LED) can also be used as a backlight source, and the LED strip light source (Light bar) or more can be disposed on the cover 15 or the casing 10.
  • Point light source LED
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the seventh embodiment of the present invention is a printed circuit board in which at least one strip light source or a strip light source or a point light source is integrated, wherein The strip light source 17 further includes a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner side of the first bent portion 151 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water gel, a thermosetting adhesive, and a UV hardening.
  • the present invention mounts the backlight source in an attachable manner (Attachable/Detachable), and extends the side wall of the back cover of the backlight module to the side wall of the light source carrying cover plate, and passes the clamp
  • the first positioning component and the second positioning component of the cover plate and the body are freely detachable and assembled between the cover plate accommodating the light source and the side wall of the casing; or between the casing and the cover plate accommodating the light source.
  • the eighth embodiment of the present invention teaches a portable metering machine having a backlight module that is easy to replace a light source.
  • the portable metering machine 1" mainly includes a host module 10" and a liquid crystal display pivotally connected to the host module 10".
  • the liquid crystal display device has a liquid crystal panel 10' and a housing 10, and a known component such as a die 13, a light guide plate 12 and a reflection sheet 11 which are sequentially housed in the housing. At least one of the liquid crystal panel 10' is formed in the liquid crystal panel 10'.
  • the backlight module 1 is detachable.
  • the name and number of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG.
  • the backlight module 1 in the portable metering machine 1" is characterized in that: the recessed portion 14 is formed on the back of the body 10, as shown in the figure. a cover plate 15 covering the recessed portion 14 and being clamped to the side wall 101 by at least one positioning member 160; and a light source 17 disposed on the inner surface of the cover plate 15 , facing one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acryl, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning member 160 is affixed to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the positioning hole 162 At least one positioning post (not shown) of the inner wall of the side wall 101 and at least one positioning hole (not shown) disposed on the cover plate 15; or are clamped to each other, protruding from the body At least one positioning post 161 ′ of the outer wall of the outer wall and the at least one positioning hole 162 ′ of the cover plate 15 , or oppositely disposed at least one positioning post protruding from the cover plate 15 and the same is disposed on the body 10 .
  • the positioning posts 161 have a flat, cylindrical or wedge-shaped structure and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161') of the eighth embodiment of the present invention is not limited in structure and shape, and any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is It is included within the scope of the equivalent extension of the invention.
  • the eighth embodiment of the present invention may further include a third positioning component disposed on the back of the body 10 and the cover plate 15. 18.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole 182 disposed on the cover plate 15, or vice versa.
  • a third positioning hole (not shown) on the back of the body 10 is coupled to a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 1 and the third positioning post 182 are integrally formed or separately assembled and reassembled, and the third positioning component 18 further includes A screw hole on the back of the housing 10, a through hole provided in the cover plate 15 and a locking locking screw (not shown).
  • the light source 17 can be embedded in any of the cover plates 15 by using a conventional cold cathode fluorescent tube (CCFL), and a light-emitting diode (LED) can also be used as a backlight source.
  • LED strip light sources Light bar are disposed on the cover plate 15 at various positions. ) or multiple point sources
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the eighth embodiment of the present invention is a printed circuit using at least one strip light source or a strip light source or a point light source.
  • the strip wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the cover plate 15 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of double-sided adhesive film, water glue, thermosetting glue, UV hardening glue and two A group of stage-binders (B-stage).
  • a ninth embodiment of the present invention teaches a portable computer having a backlight module that is easy to replace a light source, and the portable computer 1" mainly includes a host module 10" and a liquid crystal display pivotally connected to the host module 10"
  • the liquid crystal display device has a liquid crystal panel 10' and a casing 10, and a known member such as a die 13, a light guide plate 12, and a reflection sheet 11 which are sequentially housed in the body 10.
  • the liquid crystal panel 10' is formed therein.
  • the names and numbers of the components of the backlight module 1 are the same as those of the first embodiment of FIG. 1 to FIG.
  • the backlight module 1 in the portable computer 1" of the ninth embodiment of the present invention mainly includes a body 10, and is sequentially accommodated in the casing 10.
  • the die 13 , the light guide plate 12 and the reflective sheet 11 and the like are characterized in that: a recess 14 is formed on the back of the casing 10 to form a side wall 101; a cover plate 15 covering the four traps Above the portion 14, and the side wall 101 is clamped with at least one positioning member 160; and the light source 17 is disposed on the inner surface of the recess portion 14 of the housing 10 and facing one side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning member 160 is affixed to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the positioning hole 162 At least one positioning post on the inner wall of the side wall 101
  • the positioning posts 161 have a flat, cylindrical or wedge-shaped structure and are integrally formed with the cover plate 15.
  • the positioning post 161 (or 161 ') of the ninth embodiment of the present invention is not limited in structure and shape, and any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is It is included within the scope of the equivalent extension of the invention.
  • the ninth embodiment of the present invention may further include a third positioning component disposed on the back of the casing 10 and the cover plate 15. 18.
  • the third positioning component 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole 182 disposed on the cover plate 15, or vice versa.
  • a third positioning hole (not shown) on the back of the body 10 is coupled to a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 182 are integrally formed or separately assembled and assembled, and the third positioning component 18 further includes The screw hole on the back of the body 10, the hole provided in the bottom plate 150 and the locking screw (not shown).
  • the backlight module of the present invention is an improvement to solve the inconvenience of replacement of a conventional backlight source
  • the light source is placed in an Attachable/Detachable manner. Therefore, as shown in FIG. 4, FIG. 5, FIG. 6, and FIG. 7, the light source 17 of this embodiment uses a conventional cold cathode fluorescent tube (CCFL). It is embedded in the cover 15 or the casing 10, and can also use a light-emitting diode (LED) as a backlight source, and an LED strip light source or a plurality of point light sources (Point-) are disposed at each position on the casing 10. Shaped light) is a preferred embodiment.
  • LED light-emitting diode
  • Point- point light sources
  • the light emitting diode (LED) of the light source 17 can be composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes. .
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 of the ninth embodiment of the present invention uses at least one strip light source or integrated strip light source or A printed circuit board of a point light source, wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the recessed portion 14 of the casing 10 by an adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water-based adhesive, a thermosetting adhesive, and a UV hardened adhesive.
  • the present invention installs the backlight source in an attachable/Detachable manner, and extends the side wall of the light source carrying cover plate outwardly on the back side of the body of the backlight module, and passes through the clamping cover.
  • the positioning elements of the plate and the body are freely detachable and assembled between the cover plate accommodating the light source and the side wall of the body; or between the case and the cover plate accommodating the light source. Therefore, when a liquid crystal display, a portable computer or other digital electronic device with a backlight module is sold, if the light source is damaged during use, the repair shop only needs to partially fix the positioning component, and the light source can be completely replaced, thereby greatly reducing The complexity of the light source replacement work and the cost of maintenance.
  • the use of the LED strip light source as the backlight source can not only replace the problem of the fragile and toxic of the conventional CCFL lamp, but also achieve the effects of low energy saving and low heat generation, and the metal cover plate is used to carry the light source into the back of the casing, and the metal cover plate A bolt (third positioning element) can be added to strengthen the structural strength of the casing, and the positioning pin on the positioning component is first positioned in the casing, thereby helping to reduce the mechanical stress generated when the casing is screwed, and preventing Carcass deformation.
  • the above first to ninth embodiments clearly clarify a backlight module of the present invention which is easy to replace a light source, a liquid crystal display having the same, a portable computer having the backlight module, and the application
  • the digital electronic device of the backlight module further discloses the manufacturing method of the backlight module of the present invention, the liquid crystal display with the backlight module or the manufacturing method of the portable computer with the backlight module, and the manufacturing method of the digital electronic device with the backlight module.
  • the components used are the same as those of the first to ninth embodiments. Therefore, the names and codes of the components are as shown in FIGS. 1 to 7.
  • FIG. 8 is a schematic flow chart of a method for fabricating a backlight module according to a tenth embodiment of the present invention.
  • the backlight module 1 mainly includes a body 10, and a known component such as a die 13, a light guide plate 12 and a reflection sheet 11 which are sequentially accommodated in the body 10.
  • the characteristic steps of this production method are:
  • a recess 14 is formed on the back of the body 10 to form a side wall 101;
  • a cover plate 15 is provided.
  • the cover plate 15 has a bottom plate 150, a first bent portion 151 and a second bent portion 152.
  • the bottom plate 150 covers the recess portion 14, which is A bent portion 151 is disposed on the inner wall of the side wall 101, and the second bent portion 152 is disposed on the outer wall of the body 10 adjacent to the side wall 101, wherein the first bent portion 151 and the inner wall of the side wall 101 Having a first positioning element 160 having a second positioning element 160' with the outer wall of the housing 10;
  • a light source 17 is provided which is disposed inside the first bent portion 151 of the cover 15 and faces one side of the light guide plate 12.
  • FIG. 9 is a schematic flow chart of a method for fabricating a backlight module according to an eleventh embodiment of the present invention.
  • the backlight module 1 mainly includes a body 10, and a known component such as a die 13, a light guide plate 12 and a reflection sheet 11 which are sequentially accommodated in the casing 10.
  • the characteristic steps of this production method are:
  • step S20 a recess 14 is provided, formed on the back of the housing 10 to form the side wall 101;
  • step S21 a cover plate 15 is provided, the cover plate 15 is over the recessed portion 14, and is clamped with the side wall 101 by at least one positioning member 160;
  • step S22 the light source 17 is disposed on the inner surface of the cover 15 toward the side of the light guide plate 12.
  • FIG. 10 is a schematic flow chart of a method for fabricating a backlight module according to a twelfth embodiment of the present invention.
  • the backlight module 1 mainly includes a housing 10, and a known component such as a die 13, a light guide plate 12 and a reflection sheet 11 that are sequentially accommodated in the housing 10.
  • the characteristic steps of this production method are:
  • a recess 14 is formed on the back of the body 10 to form a side wall 101;
  • a cover plate 15 is provided which covers over the recessed portion 14 and is clamped to the side wall 101 by at least one positioning member 160;
  • step S32 the light source 17 is disposed on the inner side surface of the depressed portion 14 of the body 10 and faces a side of the light guide plate 12.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning member 160 is affixed to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the positioning hole 162
  • At least one positioning post of the inner wall of the side wall and at least one positioning hole (not shown) disposed on the cover plate 15; or mutually clamped to each other, at least one positioning post protruding from the outer wall of the housing 10 161 is at least one positioning hole 162 disposed on the cover plate 15 or oppositely disposed at least one positioning post protruding from the cover plate 15 and at least one positioning hole disposed on the outer wall of the body 10 (all images) Not shown).
  • the positioning post 161 has a flat shape, a cylindrical shape or a wedge-shaped structure, and is integrally formed with the bent portion.
  • the positioning post 161 of the embodiment has no obvious limitation on the structure and shape, and any of the positioning pins 161 can be respectively clamped. r / u uub / 0 0 ⁇ 0 0
  • the screwing, snapping or clamping of the hole and the positioning hole are included in the scope of the equivalent extension of the present invention.
  • the tenth to twelfth embodiments further include a third positioning provided on the back of the casing 10 and the cover plate 15. Element 18.
  • the third positioning member 18 includes a third positioning post 181 disposed on the back of the housing 10 and a third positioning hole 182 disposed on the cover plate 15, or vice versa.
  • the third positioning hole on the back of the body 10 is matched with a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 181 are integrally formed or separately assembled and assembled, and the third positioning component 18 is disposed on the At least one of the screw holes on the back of the housing 10, the through holes provided in the cover plate 15, and the screws that are fitted and locked (not shown).
  • the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight light source replacement, the light source is emphasized to be placed in an attachable/detachable manner, so the present embodiment uses a conventional cold cathode fluorescent tube (CCFL).
  • CCFL cold cathode fluorescent tube
  • LED light-emitting diode
  • an LED strip light or a plurality of point light sources can be disposed on the cover 15 or the housing 10 ( Point-shaped light) is a preferred embodiment.
  • the light source of the light source regardless of the strip light source or the point light source, the light source of the light source
  • LED is composed of a plurality of white light LEDs or a plurality of red, blue, green or yellow light emitting diodes.
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings.
  • the light source 17 used in the backlight module of the present invention uses at least one strip light source
  • Light bar or a printed circuit board (not shown) incorporating a strip light source or a point light source, wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface or the cover of the recessed portion 14 of the body 10 by an adhesive layer 19.
  • the inner surface of the adhesive layer 19 is selected from the group consisting of a double-sided adhesive film, a water-based adhesive, a thermosetting adhesive, a UV-curable adhesive, and a two-stage curing adhesive (B-stage).
  • the thirteenth to fifteenth embodiments are the method for manufacturing a liquid crystal display for producing a liquid crystal display by using a backlight module capable of replacing a light source, and the backlight module manufactured by using the foregoing easy-to-replace light source i. J./ xi ⁇ vuu / uu ⁇ y j.
  • the manufacturing method of the thirteenth to fifteenth embodiments has the same characteristic steps as the foregoing, and also includes three different embodiments of the edge-lit backlight modules.
  • Figure 11 is a flow chart showing the manufacturing process of at least one of the method for fabricating a liquid crystal display, the method for fabricating a portable computer, and the method for fabricating a digital electronic device according to a thirteenth embodiment of the present invention.
  • the production method mainly includes:
  • Step S 4 refer to Step S 4 0, provided the liquid crystal panel 10 ';
  • a backlight module 1 is provided.
  • the backlight module 1 includes a housing 10, and a known component such as a die 13, a light guide plate 12 and a reflection sheet 11 that are sequentially housed in the body 10.
  • the characteristic steps of the backlight module manufacturing method are as follows:
  • step S410 a recess 14 is formed on the back of the body 10 to form a side wall 101;
  • a cover plate 15 is provided.
  • the cover plate 15 has a bottom plate 150, a first bent portion 151 and a second bent portion 152.
  • the bottom plate 150 covers the recess portion 14, which is
  • the first bent portion 151 is disposed on the inner wall of the side wall 101
  • the second bent portion 152 is disposed on the outer wall of the casing 10 adjacent to the side wall 101, wherein the first bent portion 151 and the side wall 101
  • the inner wall has a first positioning element 160, the second bent portion 152 and the outer wall of the housing 10 having a second positioning element 160';
  • a light source 17 is provided which is disposed inside the first bent portion 151 of the cover 15 and faces one side of the light guide plate 12.
  • Figure 12 is a flow chart showing the manufacturing process of at least one of the method for fabricating a liquid crystal display, the method for fabricating a portable computer, and the method for fabricating a digital electronic device according to a fourteenth embodiment of the present invention.
  • the production method mainly includes:
  • Step S 5 provided the liquid crystal panel 10 '; and UUU ⁇
  • a backlight module 1 is provided.
  • the backlight module 1 includes a housing 10, and a known component such as a die 13, a light guide plate 12 and a reflective sheet 11 that are sequentially received in the housing 10, wherein
  • the characteristic steps of the backlight module manufacturing method are as follows:
  • step S510 a recess 14 is formed on the back of the housing 10 to form the side wall 101;
  • a cover plate 15 is provided which covers over the recessed portion 14 and is clamped with the side wall 101 by at least one positioning member 160;
  • step S512 the light source 17 is disposed on the inner surface of the cover plate 15 toward the light guide plate 12.
  • Figure 13 is a flow chart showing the manufacturing process of at least one of the method for fabricating a liquid crystal display, the method for fabricating a portable computer, and the method for fabricating a digital electronic device according to a fifteenth embodiment of the present invention.
  • the production method mainly includes:
  • step S60 a liquid crystal panel 10' is provided;
  • a backlight module 1 is provided.
  • the backlight module 1 includes a housing 10, and a known component such as a die 13, a light guide plate 12 and a reflective sheet 11 that are sequentially housed in the body 10.
  • the characteristic steps of the backlight module manufacturing method are as follows:
  • step S610 a recess 14 is formed on the back of the housing 10 to form the side wall 101;
  • a cover plate 15 is provided which covers over the recessed portion 14 and is clamped with the side wall 101 by at least one positioning member 160;
  • the light source 17 is disposed on the inner surface of the recessed portion 14 of the casing 10 and faces one side of the light guide plate 12.
  • the names and numbers of the respective components are the same as those of the fourth to ninth embodiments, so that there is no other difference here. Repeat the narrative.
  • the cover plate 15 can be made of a plastic material such as PE, PP, PS or acrylic, or a metal material such as stainless steel, titanium alloy or aluminum alloy.
  • the positioning members 160 are mutually clamped to each other, and the at least one positioning post 161 protruding from the cover plate 15 and the at least one positioning hole 162 disposed on the inner wall of the side wall 101 or oppositely protruded from the side wall At least one positioning post of the inner wall of the 101 and at least one positioning hole (not shown) disposed on the cover plate 15; or mutually clamped to each other, at least one positioning post 161 protruding from the outer wall of the housing 10 And (161') is disposed at least one positioning hole 162 (162') disposed on the cover plate 15, or oppositely, at least one positioning post protruding from the cover plate 15 and being disposed on the outer wall of the body 10.
  • the positioning posts 161 are formed in a flat shape, a cylindrical shape or a wedge shape, and are integrally formed with the cover plate 15.
  • the positioning post 161 of the embodiment is not limited in structure and shape. Any screwing, snapping or clamping method capable of respectively clamping the positioning hole and the positioning hole is included in the equivalent extension of the present invention. The scope.
  • the thirteenth to fifteenth embodiments further include a first portion disposed on the back of the body 10 and the cover plate 15.
  • Three positioning elements 18 As shown in FIG. 2, the third positioning member 18 includes a third positioning post 181 disposed on the back of the body 10 and a third positioning hole 182 disposed in the cover plate 15, or vice versa.
  • the third positioning hole on the back of the body 10 is matched with a third positioning post (not shown) protruding from the cover plate 15, or a screw as shown by 20 in FIG.
  • the third positioning post 181 is a latch or a stud, and the cover plate 15 and the third positioning post 181 are integrally formed or separately assembled and reassembled, and the third positioning component 18 is disposed therein.
  • the screw hole on the back of the body 10 at least one of the holes provided in the cover plate 15 and the locking lock (not shown). Since the backlight module of the present invention is an improvement to solve the inconvenience of the conventional backlight light source replacement, the light source is emphasized to be placed in an attachable/detachable manner, so the present embodiment uses a conventional cold cathode fluorescent tube (CCFL).
  • CCFL cold cathode fluorescent tube
  • a light-emitting diode can also be used as a backlight source, and an LED strip light or a plurality of point light sources can be disposed on the cover 15 or the casing 10. Point-shaped light) is a preferred embodiment.
  • the light emitting diode (LED) of the light source is composed of a plurality of white light LEDs, or a plurality of red, blue, green or yellow light emitting diodes.
  • the arrangement of the light sources may be distributed in strips, arrays, dots or planes, but not limited to the drawings. W
  • the light source 17 used in the backlight module of the present invention is to use at least one strip light source (Light bar) or integrated strip light source or point A printed circuit board (not shown) of the light source, wherein the strip light source 17 further comprises a printed circuit board placed under the bottom of the light source (not shown).
  • the strip light source 17 is adhered to the inner surface of the recessed portion 14 or the inner surface of the cover 15 by the adhesive layer 19, wherein the material of the adhesive layer 19 is selected from the double-sided adhesive film and the water gel.
  • the present invention installs a backlight source in an attachable/Detachable manner, and laterally extends the side wall of the back cover of the backlight module to receive the side wall of the light source carrying cover, and passes the clamp
  • the positioning component of the cover plate and the housing is disposed between the light source carrying cover and the side wall of the housing; or the cover plate and the light source carrying case are freely detachable and assembled. Therefore, when a liquid crystal display, a portable computer or other digital electronic device with a backlight module is sold, if the light source is damaged during use, the repair shop only needs to partially fix the positioning component, and the light source can be completely replaced, thereby greatly reducing The complexity of the light source replacement work and the cost of maintenance.
  • the use of the LED strip light source as the backlight source can not only replace the fragile and toxic problem of the conventional CCFL lamp, but also achieve the effects of low energy saving and low heat generation, and the metal cover plate is used to carry the light source into the back of the carcass, the metal cover plate.
  • a bolt third positioning element
  • a bolt can be added to strengthen the structural strength of the body, and the positioning of the body on the positioning element is first positioned in the body, thereby helping to reduce the mechanical stress generated when the body is screwed, and preventing The casing is deformed.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
  • Planar Illumination Modules (AREA)

Abstract

L'invention concerne un module à rétroéclairage, un écran LCD et un ordinateur bloc-notes équipé de ceux-ci, et un procédé de fabrication de ceux-ci permettant d'obtenir une source de lumière amovible. Le module à rétroéclairage comprend un logement (10), un couvercle (15) et une source (17) de lumière. Une dépression (14) est formée à l'arrière du couvercle (15) de manière à former une paroi latérale (101). Le couvercle (15) est composé d'une plaque (150), d'une première partie pliable (151) et d'une seconde partie pliable (152). La dépression (14) est couverte d'une plaque (150), la première partie pliable (151) est disposée sur la surface interne de la paroi latérale (101) et la seconde partie pliable (15) est disposée sur la partie externe du logement adjacent à la paroi latérale. La première partie pliable (151) et la surface interne de la paroi latérale présentent un premier élément (160) de position, et la seconde partie pliable (152) et la surface externe de la paroi latérale présentent un second élément (160') de position. La source de lumière est située sur la surface interne de la première partie pliable (151) de manière à faire face à la plaque de guidage de la lumière.
PCT/CN2006/003001 2006-11-09 2006-11-09 Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication WO2008055385A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2006/003001 WO2008055385A1 (fr) 2006-11-09 2006-11-09 Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication
CN200680056326XA CN101669063B (zh) 2006-11-09 2006-11-09 背光模块、液晶显示器、便携式计算机及其制作方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2006/003001 WO2008055385A1 (fr) 2006-11-09 2006-11-09 Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication

Publications (1)

Publication Number Publication Date
WO2008055385A1 true WO2008055385A1 (fr) 2008-05-15

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Application Number Title Priority Date Filing Date
PCT/CN2006/003001 WO2008055385A1 (fr) 2006-11-09 2006-11-09 Module à rétroéclairage, écran lcd et ordinateur bloc-notes équipé de ceux-ci, et procédé de fabrication

Country Status (2)

Country Link
CN (1) CN101669063B (fr)
WO (1) WO2008055385A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654779A (en) * 1994-05-18 1997-08-05 Mitsubishi Denki Kabushiki Kaisha Liquid crystal display device having a removable holding member for the light source
US6034750A (en) * 1998-02-10 2000-03-07 Sanyo Electric Co., Ltd. Liquid crystal display having detachable light source
CN1321910A (zh) * 2000-04-28 2001-11-14 三星电子株式会社 容器模块及液晶显示装置
CN1612022A (zh) * 2003-10-28 2005-05-04 三菱电机株式会社 液晶显示装置和电子设备

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654779A (en) * 1994-05-18 1997-08-05 Mitsubishi Denki Kabushiki Kaisha Liquid crystal display device having a removable holding member for the light source
US6034750A (en) * 1998-02-10 2000-03-07 Sanyo Electric Co., Ltd. Liquid crystal display having detachable light source
CN1321910A (zh) * 2000-04-28 2001-11-14 三星电子株式会社 容器模块及液晶显示装置
CN1612022A (zh) * 2003-10-28 2005-05-04 三菱电机株式会社 液晶显示装置和电子设备

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CN101669063A (zh) 2010-03-10
CN101669063B (zh) 2012-01-04

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