TW584761B - Plane lighting device - Google Patents

Abstract

The present invention is to provide a backlight module which has a plurality of holding sockets of cold cathode fluorescent tubes including hot end sockets, cold end sockets, and adjusting sockets, characterized in that it is easy and efficient to assemble and change the cold cathode fluorescent tube without need of soldering electricity-conducting wires directly onto electrodes of cold cathode fluorescent tubes, with convenience of adjusting space between hot end sockets and hot end sockets by inserting adjusting sockets thereinto, with the benefit of easy assembling and changing of cold cathode fluorescent tubes, and reducing amount of parts.

Description

584761 Case No. 89100380 ¥ _η a Revision V. Description of the invention (1) [Technical field to which the invention belongs The present invention relates to the use, in particular, to a cold-yin socket and a cold-junction socket that can be fixed, and the socket can be adjusted freely and easy to carry out Installation of cold cathode tube lighting. [Previous technology] The conventional copper-clad iron-nickel alloys, such as flat-surface lighting, welding and welding, which directly extend the heat-resistant coated wire, are supplied with cold-cathode tubes by soldering, etc. For example, the Japanese patent shows that the light source plate can be integrated into a flat lighting device such as a liquid crystal display device by a sliding mechanism, and an adjustment tube is inserted between a hot-end hot-end socket and a cold-end socket having an electrically conductive connection at the same time as an electrode tube. The space between the cold-junction sockets can be accommodated and replaced. At the same time, the plane that can reduce the number of parts is placed on the cold-cathode tube when supplying power. It is soldered to the electrode extension wires from the two ends of the cold-cathode tube. The copper-clad iron-nickel alloy wire on the top of the iron-nickel alloy wire is connected to the caulking wire, and the heat-resistant covered wire is guided to the high voltage electricity as is well known. Japanese Unexamined Patent Publication No. 6-5 1 2 9 3 or a method for freely disengaging a light source power supply lead from a light guide is generally known.

Page 6 584761 _ Case No. 89100380 V. Description of the invention (2) Year a Correction The iron-nickel alloy wire will be deteriorated due to load and flux used in soldering or soldering. In addition, when a heat-resistant covered electric wire is directly connected to a copper-clad iron-nickel alloy wire, there is a combination of a plane lighting device such as a guide of the heat-resistant covered wire and the treatment of an insulated liner such as a copper-clad iron-nickel wire or a soldered part, or Cold cathode tube, workability during replacement, etc. In addition, for example, as disclosed in Japanese Patent Application Laid-Open No. 6-5 1 2 9 3, a method in which a light source 'or a light source power supply lead wire is slidably and integrally held on a reflector with respect to a light guide plate by a sliding mechanism. Although the reduction of the power supply wire load is effective, it must correspond to the economical efficiency of the cold-cathode tube replacement or the length of the cold-cathode tube, which may increase the number of parts, leading to problems in workability, economy, and management. The present invention was developed to solve the above-mentioned problems, and an object thereof is to provide an electrical insulating material as a decorative material, and a socket having a hole for receiving a crimping contact portion for holding and conducting a cold cathode tube, especially in -The hot-junction-side socket that supplies high voltage to the cold cathode tube uses a conductive connection part as a concave connection portion, and the cold-junction-side socket on the return side or the return to the ground side is adjusted, and the hot-junction and cold-side sockets are adjusted. The socket can be electrically connected to the hot end side and / or the cold end side, and the distance between the hot end side and the cold end side socket can be adjusted. The flat lighting device can be easily installed or the cold cathode regardless of the length of the cold cathode tube. The replacement of the tube can avoid the flat lighting device that causes the load on the wires, etc., and the soldering of the cold cathode tube. [Means of Solving Problems] 'Plane lighting equipment in the scope of patent application No. 1 for solving the above problems

Page 7 584761 _Case No. 89100380 V. Description of the invention (3) The amended device is characterized in that it supplies high voltage to the light source part and uses the hot-side socket of the cold cathode tube with decorative conductive insulating material; reflow or restore the ground-side Cold-side socket; the hot-side socket and cold-side socket are electrically connected to the hot-side socket and / or the cold-side socket, and can be adjusted by adjusting the distance between the hot-side socket and the cold-side socket. .

The flat lighting device of the scope of application for patent No. 1 is a hot-end-side socket that supplies high-voltage cold-cathode tubes using decorative conductive insulating materials to the light source; a cold-side-side socket that returns or restores the ground; the hot-end-side socket and cold The end socket is conductively connected to the hot end side and / or the cold end side, and the adjustable socket can adjust the distance between the hot end side and the cold end side socket, regardless of the length of the cold cathode tube. The installation of the flat lighting device or the replacement of the cold cathode tube can avoid the connection of the wires due to soldering, etc., and can reduce the number of parts. In addition, the flat lighting device of the second patent application range is characterized in that the conductive connection portion of the hot-side socket is formed by using a concave connection portion of an electric conductor.

In the flat lighting device of the scope of patent application No. 2, since the hot-side socket is formed by using a concave connection portion of an electric conductor, the hot-side socket has a conductive connection portion, so it can safely supply high-voltage electricity to the hot-side socket. And can avoid high voltage electricity ground when replacing or repairing, and avoid causing damage to other electronic parts. In addition, in the flat lighting device of the third scope of the patent application, the hot-side socket and the cold-side socket have screw holes that can be inserted into the groove of the lampshade or fixed to the housing. 1 1 In the flat lighting device under the scope of patent application No. 3, due to the hot side

Page 8 584761 Case No. 89100380 Amendment V. Description of the Invention (4) The socket and the cold side socket have holes, so they can be fixed by the hot side, and can be safely and securely seated. In addition, the patent application is as follows: The socket has a screw hole for receiving the contact portion. The scope of the patent application includes storage for holding and pilot holes, so the socket should be set to a high voltage to the cold cathode tube and fixed. In addition, the patent application is: hot end side seat of the cold cathode tube provided on the light source section; the hot end side socket and the cold end side, adjustable adjustable socket at the same time; conductive interval socket; and, 3 The corner horn socket on the side applies for the first patent application scope. It supplies high voltage to the decorative side socket. The hot-side socket can be adjusted between the reflow or recovery seat and the cold side socket. There is a screw that can be inserted into the groove of the lampshade or fixed to the lampshade. Sockets and cold-end-side sockets can be adjusted to make the solids of the sockets easy to fix. The hot-end-side sockets and cold-end-side plugs in the planar lighting device that surrounds item 4 are characterized by holding and conducting a conductive connection to the flat surface of the cold cathode tube. For the lighting device, since the screw on the socket with the crimp contact part for electrically connecting the cold cathode tube can be crimped into the cold cathode tube at the same time, the cold cathode tube can be easily installed while being supplied safely.

In the flat lighting device of item 5 in scope I, it shall be specially decorated with high-voltage sockets that are made of conductive insulating materials; reflow or restore the cold-side side of the ground side to the conductive connection between the cold-side sockets and the hot-side side or / to save heat. The cold cathode tubes of the distance connection between the end-side socket and the cold-side socket and the mechanical connection of a plurality of adjusting sockets are arranged on the two side portions of the light guide plate or formed. The flat lighting device of item 5, because the light source part is a cold-junction-side socket on the hot-reground side of a cold cathode tube using a conductive insulating material; the hot-junction side is electrically connected to the hot-junction side and / or the cold-junction side while cooling Adjustable sockets for the distance between end sockets; can

Page 9 584761 Case No. 89100380 Λ_η Β Amendment V. Description of the invention (5) Conductive connection and machinery are spaced sockets connected to a plurality of adjustment sockets; and, cold cathode tubes can be arranged on the 2 side portions or 3 side portions of the light guide plate It is composed of a corner socket, so no matter the length of the cold cathode tube or the size of the light guide plate, the high-luminance flat lighting device or large display has its versatility, and it is easy to install the flat lighting device and the cold cathode tube. At the same time of replacement, the connection of wires such as soldering can be avoided, and the number of parts can be reduced. According to the invention, the length of the electrical connection on the ground-conducting side is easy to install in the field. The first and third figures are shown in Figure 3, the lighting device is adjusted, and the first seat in Figure 6, the cold decoration part or the junction duct is accommodating. The number of installation drawings is implemented. Why is the cold connection and heat supply of the electricity supply cold or cold? The diagram in Section 2 is the end-to-side shape of the table. The edge of the invention can be connected to the end of the cathode. The flat drawing of the cathode is a schematic structure of the socket. The flat socket can be provided by the present invention; or / and the hot pressure can be adjusted, and the fixed surface of the tube can be replaced. The socket-outlet device i 5 is a device for supplying the hot-side cold-side end-side sockets of the cathode tube to prevent the wires from being fixed or used for the lamp. Lighting device socket and cold, Figure 4 Figure 5 is the structure diagram for the light guide plate section socket 6 state is as follows. The high voltage uses a hot-side socket for the light source part; restores the adjustment of the return-side socket and the cold-side socket, so that regardless of the cold cathode and cold-side socket, it can be safely connected or the reliability of the load, and the flat surface of the cover is fixed Lighting industry, and can get the rough perspective composition diagram with zero reduction. The structure diagram of the end socket, the first is the plane used by a plurality of light sources. The structure diagram of the corner socket is shown. 〇2, light source 3, hot end side plug, lamp cover 9, reflector 10

Page 10 584761 Case No. 89100380 _ Year Month Revision _ 5. Composition of invention description (6). The light guide plate 2 is formed of transparent acrylic resin (PMMA) or polycarbonate (PC) having a refractive index of about 1.4 to 1.7, and guides an incident end face of light from the light source 3; a reflective end face located on the opposite side of the incident end face A side surface portion connecting the incident end surface portion and the reflection end surface portion; a surface portion from which light is emitted; and an inner portion located on the opposite side of the surface portion.

The shape of the pass-through plate is within W and the light source 3 t 2 is guided: the light source and other plates are re-entered, and the light} light edge is radiated and mp guided to a space ^ a to the hollow space. Insert the socket with the socket 5 into the side when it can be inserted; the side of the same side and the side of the 1 side are set into a cold cathode tube (Cold Cathode Fluorescent), and the direct light is incident from the incident end portion of the light guide plate 2 into the other The light is passed through the inner surface of the housing 9 and the reflector 10 through the inner surface of the light source 3 and the lampshade 9 or 2 of the reflector 10. The cold cathode tube 3 is inserted into the hot-side socket 4 or cold to restore high voltage Power supply and return or ground side °, made of electrically insulating material, provided on the hot-end side socket 4 as shown in Figure 2 of the crimp contact 5 2 1; concave connection to the adjustment socket 6 The groove part 7 of the shell 9 may be fixed to the screw hole side of the shell 9 to generate a voltage and heat source. In other words, the electricity is generated from the part and the voltage is generated. The internal structure is the same as 1 1 \ ly 8 from 1 5 etc. Incoming wire, the copper of the guide hole is shown in the figure of the non-returning device for placing phosphorus in the same picture. The 30% side is like a tube-shaped structure. The pole body is connected to the Yinyin side or the cold side. Back pressure surface connected to the sheet supply side can be electrically and a high pressure bomb, a high internal electrical formula 2 based mechanical machine portion 1 54 seated in contact with a contact insertion linear

Page 11

584761 Case No. 89100380 JF: _Ά Amendment V. Description of the invention (7) Hold by the hole 5 1 In addition, the thermal adjustment socket 6 is provided with an elastic material through the lower connection (example. Also, there are 3 wires in the second a of the thermal termination. When the cold shade is facing the second cold shade, it is concavely connected to the hot-side socket 4 for safety. In addition, the hot 51 is set on the side, and the cold side can be clamped to the hot-side socket 5 at the same time. The screw is connected to the cold end side with a hot end side socket, and is provided at the contact portion 52. It is configured to be fixed to the cold female end side socket. The cold end side is inserted into a concave shape, such as the cold pole indicated by the scale side socket 4. Tube 3, part 4 of pole tube 3, 1 frame, cold end side, side groove, side end, plug adjustment side, seat 5 4 phase, etc. If provided in the socket part 7 socket base 6 socket base 4 Hot end phosphorescent cold cathode tube 3. The 4 series wiring is grounded so that it can be returned from the inside of the conductor 1 1 through the socket 5 or the hole for ground side return 5 1 connection part 4 1 internal electrical conductivity and mechanical copper etc.) Although the high-voltage power generation device can be connected in parallel, two connected cathode tubes 3 can be installed, and The installation shown in FIG. 2b, but a high voltage is connected in series on the cold end side of the first cold cathode tube 3 and on the hot end side through the adjustment socket 6, but the concave connection portion 41 is recessed from the body of the socket 5, so It can be held in place by having a concave connection portion 41 or a hole to be inserted into the notch portion 9 a of the case 9 and fixed to the notch portion 9 a of the case 9, and the hot-end socket 4 and the cold can be used. Terminal 6 is fixed and conductively connected. A screw hole 5 a, 9 or an unillustrated lampshade is provided on a side of the outer side of the body. The wires 11 of the hot-side socket 4 can be made of materials. The crimp connection of the side socket 4 or the cold end side socket 5 is made of a material of electrical conductivity and mechanical elasticity of copper. The electrode 3 is in good contact and processed to form a spring.

Page 12 584761 _ Case No. 89100380 V. Description of the invention (8) Revision. In addition, as shown in Fig. 2b, extending the part of the concave connection portion 41 toward the opposite side can improve the installation accuracy of the lamp cover 9 or a lamp cover (not shown). 0 Adjusting the socket 6 and the hot-end socket 4 or The cold-side socket 5 is the same: It is made of electrically insulating material and is conductively wired inside the regulating socket 6 as shown in FIG. 3, and can be connected to the concave end of the hot-side socket 4 or the cold-side socket 5 The portion 41 is provided with a conductive connection and a mechanical connection, and is provided at both ends with a connection portion 6 a using, for example, a phosphor bronze material (such as a long barrel single grab type terminal) that uses conductivity and mechanical elasticity. In addition, since the adjustment socket 6 is an article having several types of lengths, it is only necessary to connect the hot-end-side socket 4 and the cold-end-side socket 5 to the length of the various cold cathode tubes 3. In addition, the planar lighting device shown in FIG. 4 is an L-shaped light source in which the two side portions of the light guide plate 2 are used as the end face portions. The corners of the light guide plate 2 are the hot-end socket 4 or the cold-end socket. 5 The same material and structure are used to make the incident end face of the light guide plate 2 in an L-shape from the 2 side portion. The cold cathode tube 3 can be arranged and the hot end socket 4 or the cold end socket 5 can be used. The angled socket 40 is shown, and the longitudinal direction of the light guide plate 2 is plural.

The adjustment sockets 6 are made of the same material and structure as the adjustment sockets 6, and the two ends are provided with concave connection portions 41. The spacer insert 50 shown in FIG. 6 can be connected electrically and mechanically to the adjustment sockets 6 by the same method. Can respond to long cold cathode tubes 3. 1 Also, the corner socket 40 is provided at the two end portions of the light guide plate 2, and the three side portions of the light guide plate 2 are U-shaped cold cathode tubes arranged as the incident end surface portions.

Page 13 584761 Case No. 89100380 Λ_η Β Amendment V. Description of the invention (9) 3, which can be used in conjunction with the user. The lampshade 9 is made of polymer resin 3 and the parts not shown in the figure. Only the peripheral parts are used. Thermoplastics such as lamp acid esters. Light emitted from the thermoplastic material or the inner surface of thin gold. All light is from the reflector. The source 3 is shaped like a metal, and the incident end face reflected from 2 is as described above. Use an electrically insulating base for the cold female part of the light source; restore the return base and the cold-side plug socket, thereby avoiding the lampshade of the conductor between the cold-side socket and the cold-side socket. Fixed, high-brightness flat lighting devices or large displays are made of polycarbonate resin (PC), ABC resin, or liquid crystal electrical insulating materials. There are light guide plates 2 and light source reflection sheets. For weight reduction, the center and low face structure can be removed. The cover 9 is a white material resin, such as titanium oxide, mixed or printed in a polyethylene terephthalate or a carbon resin (not shown), and the metal is vapor-deposited with aluminum or the like, or the metal is formed by adhesion or layering. The foil can also be used as a reflector that reflects the light guide plate 2 and then enters the light guide plate 2 again, so that the reflector emits light from the surface portion of the light plate 2 of the light source 3. 0 is formed by vapor-depositing a thin white insulating material or a thin metal such as aluminum to surround the incident end face portion of the light guide plate 2 and the light from the light source 3, and the reflected light is incident on the light guide plate portion again. The flat lighting device of the present invention does not directly connect the wires to the pole tube, but the light source part of the flat lighting device supplies high voltage to the hot end side of the cold cathode tube or the cold end side socket on the ground side of the decorative material; And, the conductive connection between these hot-side sockets can be adjusted on the hot-side or cold-side side. The length of the cold cathode tube can be adjusted while the hot-side socket and the distance can be adjusted, while high voltage can be safely and reliably supplied. Connection or load, it is easy to fix or align the cold Yin plant 1 tube, and obtain the flat lighting device installation or cold cathode tube more

Page 14 584761 Case No. 89100380 _η Revision V. Description of Invention (ίο) Workability when changing [Inventive effect] As mentioned above, the south voltage is on the light source side socket; the hot junction can be adjusted when the return socket and the cold side are adjusted, so The installation of unknown devices leads to an increase in the reliability of the connection of the wires. In addition, the electrical conductivity of the socket on the application side can improve the reliability of the high voltage at the hot side. In addition, the screw holes on the socket and the cold side of the application side, Fixed and side sockets at the same time for improved reliability. In addition, since the application seat has a screw hole for accommodating, it is an economical light source section, and the number of parts is reduced. The flat lighting device of the scope of application for patent No. 1 is the hot end of the cold cathode tube using decorative conductive insulating material in the supply department or the cold end socket on the restoration ground side; and the hot end socket is conductively connected between the hot end socket or / And the cold-junction side, the distance between the socket on the same side and the cold-junction side socket can be adjusted easily because of the length of the cold-cathode tube. It can be easily replaced by a flat photo or cold-cathode tube. The number of parts is reduced, and the operability, economy, and flat lighting device of the second scope of the patent can be obtained. The hot-end connection part of the application is formed by using a concave connection part of an electric conductor, because the high voltage is safely supplied, and It can avoid grounding when replacing or repairing, avoid damage to other electronic parts, etc., and increase the safety and security. In the flat lighting device according to item 3 of the patent, the hot-end socket has a groove portion that can be inserted into the lamp cover or is fixed to the lamp cover. The hot-end socket and cold-end socket can be adjusted by the socket. The hot-end socket can be fixed safely and reliably. In the flat lighting device of the fourth scope of the patentable scope, the socket and the cold end can be used for the load of the cold cathode tube and the impact from the outside. Plug in cold cathode tube, safe

Page 15 584761 Case number 89100380

B amendment V. Description of the invention (11) Ground supply high voltage Installation, fixing, and lifting. In addition, Shenyuan Department supplies high hot-side socket-side sockets and cold ends at the same time. The hot seat can be adjusted at the same time; the conductive socket can be connected; and, the size of the corner socket of the department can be universal, and has great future. The special voltage can be obtained from the cold cathode; the high-side structure of the back side plug end side connection and the cold cathode can improve the performance of the mechanical pole tube of the socket for loading or socket. At the same time as the tube, it is easy to carry out the completeness and operability of the cold cathode tube, and the economical and reliability of the planar lighting device of item 5. In the light decoration, the cold cathode tube using conductive insulating material is used to restore the cooling on the ground side. End-side socket; the hot-side or / and cold-side side is electrically conductively connected between the hot-ends, and the distance between the hot-side side and the cold-side side socket is an interval plug connected to a plurality of adjustment sockets, which is arranged on the 2 side or 3 of the light guide plate The side is therefore industrial, economical and reliable regardless of the length of the cold-cathode tube or the plane of the light guide plate or large display. Φ

Page 16 584761 __Case No. 89100380_ Year Month Date Amendment _ Brief Description of Drawings Figure 1 is a schematic perspective structural view of a flat lighting device of the present invention. FIG. 2 is a configuration diagram of a hot-end socket and a cold-end socket according to the present invention. Fig. 3 is a structural diagram of an adjusting socket according to the present invention. Fig. 4 is a schematic perspective configuration diagram of a flat lighting device using a plurality of light sources according to the present invention. Fig. 5 is a configuration diagram of a corner socket of the present invention. Fig. 6 is a configuration diagram of a partition socket according to the present invention. [Explanation of symbols] 1 ... flat lighting device, 2 ... light guide plate, 3 ... light source (cold cathode tube), 4 ... hot end socket, 4 1 ... concave connection, 5 ... cold end socket, 5 a ... outside 1 side, 5 1 ... hole, 5 2 ... crimp contact, 6 ... adjustment socket, 6 a ... connection, 7 ... groove, 8 ... threaded hole, 9 ... lamp cover, 9 a ... notch, 1 0 ... reflection Connector, 1 1 ... wire, 4 0 ... corner socket, 50 ... spaced socket.

Page 17

Claims (1)

584761 Case No. 89100380 Λ_Ά Amendment VI. Patent application scope Tube combination, and conduct high voltage power to the cold cathode tube, and maintain the position of the cold cathode tube; The hot-side socket is also provided with: One or more concave connection parts to have insulation The covered wire is connected to the ground side of the high-voltage power supply. It is made of a conductive and mechanically elastic material such as phosphor bronze. It is used to combine with the protruding connection of the regulating socket and conduct the current from the regulating socket to the high-voltage power supply. The ground side, and maintain the position of the adjustment socket, a groove portion for plugging the above-mentioned notch of the shell; (f) the cold-side socket, which is made of electrically insulating material on the outside, is provided with: one or more screw holes Pass the screws to fix the cold end side and insert the f seat in the housing; one or more round holes, each round hole is provided with a crimp contact part, and is connected to the same cold end side socket concave connection part with a wire covered with insulation. Is made of a material with electrical conductivity and mechanical elasticity, such as phosphor bronze, which is used to combine with the cold cathode tube mentioned above, and conducts electricity to the concave connection of the same cold-side socket, so that the cold cathode tube is cold. The end-side socket is finally connected to the ground side of the high-voltage power supply and maintains the position of the cold-cathode tube; The cold-side side socket is also provided with: one or more concave connection parts, which are connected to the same cold-end side with insulated covering wires The crimp contact portion of the socket is made of a conductive and mechanically elastic material such as phosphor bronze. It is used to combine with the protruding connection portion of the regulating socket 1 and bridge the same cold end. Page 19 584761 Case No. 89100380 Λ_3 Amendment VI. The crimp contact part of the socket on the side of the scope of patent application and the adjustment socket, and maintain the position of the adjustment socket; a groove part for inserting the gap of the above-mentioned shell; If the scale is electrically connected, each of the connection parts is adjusted, the crimp contact side socket of the hot plug side of the adjustment socket and the (g) adjustment socket connected to the cold socket are externally made of electrically insulating material, and two protruding connection parts Made of bronze, a material with electrical conductivity and mechanical elasticity, the two ends are symmetrically protruding. The connection part is internally connected with a wire covered with insulation, and the protrusions at both ends are connected to the hot-end socket and the cold-end side. The connection of the concave connection part of the socket can have different lengths according to the length of the cold cathode tube. The concave connection part of the bridge seat and the cold end side socket makes the cold side socket part to the ground side of the high voltage power supply. And keep the position of the hot-end end socket;. * · (H) hot-end corner socket, the appearance is made of electrically insulating material, on both sides, each side is provided with: one or more screw holes, with screws The fixed hot-end corner socket is in one or more round holes in the shell. Each round hole is provided with a power source. It has a cold cathode tube cathode tube position Φ crimp contact, and is connected to the high-voltage conductive and insulated conductors. Mechanically elastic materials, such as phosphor bronze, are used to combine and conduct high-voltage power to cold cathode tubes and keep them cold; hot-end corner sockets are also provided with: one or more concave connection parts to have insulation covering Covered wire to ground of high voltage power supply Page 20 584761 Amendment No. 89100380 Sixth, the scope of the patent application is made of a conductive and mechanically elastic material such as phosphor bronze, which is used to combine with the protruding connection portion of the adjustment socket and conduct the current from the adjustment socket to The ground side of the high-voltage power supply, and maintain the position of the adjustment socket; a groove portion for plugging the above-mentioned notch of the shell; (i) the cold-end corner socket, the appearance is made of electrically insulating material, on the two sides of the connection, each The surface is provided with: one or more screw holes, which are passed by screws, to fix the cold-end corner socket to the shell; one or more round holes, each of which has one or more crimp contact parts, so as to have an insulating cover The covered wire is connected to the concave connection of the cold end corner of the same surface. It is made of a conductive and mechanical elastic material such as phosphor bronze. It is used to combine with the cold cathode tube and conduct electricity to the cold end of the same surface.凹 The socket's concave connection part makes the cold cathode tube at the cold end angle 隅 The socket is finally connected to the ground side of the high voltage power supply and maintains the position of the cold cathode tube; and is provided with: one or more concave connection parts, The crimp contact part connected to the cold end corner socket of the same side with an insulated covering wire is made of a conductive and mechanically elastic material such as phosphor bronze, and is used to combine with the protruding connection part of the adjustment socket, and Bridging the crimp contact part of the cold-side corner socket and the adjustment socket on the same side, and maintaining the position of the adjustment socket; a groove portion for inserting the above-mentioned shell notch; (j) a spaced socket, the surface of which is made of electrically insulating material System, plural at both ends Page 21 584761 _Case No. 89100380_Amendment of the month of the year _ 6. The scope of the patent application is a concave connection, which is made of a conductive and mechanically elastic material such as phosphor bronze. The concave connection is symmetrical at both ends. There are electrical connections inside, including the wires covered with insulation, and the concave connection parts at both ends are connected with the convex connection parts of the adjustment socket. The interval socket can be based on the length of the cold cathode tube and the length of the adjustment socket. There are different lengths for bridging the protruding connection parts of the adjustment sockets at both ends to accommodate cold cathode tubes of various lengths; a hot-side socket, a cold-side socket and an adjustment socket can be combined at A short side of the light guide plate forms a linear light source; A hot end socket, a cold end socket, a plurality of adjusting socket combinations and a plurality of spaced socket combinations can form a linear light source on one long side of the light guide plate; a hot end corner socket, two cold end sides A combination of a socket, a plurality of adjusting sockets and one or a plurality of spaced sockets, one long and one short cold-cathode tube light source can be arranged on one long, one short, and two sides of the light guide plate to form an L-shaped light source; A hot-end corner socket, a cold-end corner socket, a hot-end socket, a cold-end socket, a plurality of adjusting sockets, and one or more spaced sockets can be combined. One long and two short cold-cathode tube light sources are arranged on one short and two sides to form a U-shaped light source, or one long and two short cold-cathode tube light sources are provided on two long and two short sides of the light guide plate connected to form A U-shaped light source. Page 22