JPH08148012A - Backlight device and manufacturing method thereof - Google Patents
Backlight device and manufacturing method thereofInfo
- Publication number
- JPH08148012A JPH08148012A JP6289544A JP28954494A JPH08148012A JP H08148012 A JPH08148012 A JP H08148012A JP 6289544 A JP6289544 A JP 6289544A JP 28954494 A JP28954494 A JP 28954494A JP H08148012 A JPH08148012 A JP H08148012A
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- lamp holder
- light guide
- guide plate
- engaging
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 38
- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 15
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000002950 deficient Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 3
- 229920005668 polycarbonate resin Polymers 0.000 abstract description 2
- 239000004431 polycarbonate resin Substances 0.000 abstract description 2
- 229920002050 silicone resin Polymers 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- LFYJSSARVMHQJB-QIXNEVBVSA-N bakuchiol Chemical compound CC(C)=CCC[C@@](C)(C=C)\C=C\C1=CC=C(O)C=C1 LFYJSSARVMHQJB-QIXNEVBVSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
(57)【要約】
【目的】 低圧水銀放電灯が不良になったときの経済的
負担を小さくする。
【構成】 ポリカーボネート樹脂等のやや弾力性のある
材質からなる放電灯ホルダ５の両側部の内側に係合凸部
２２を設け、導光板１の両側面に係合凸部２２が係合す
べき係合凹部２１を設け、係合凸部２２を係合凹部２１
に係合することにより、放電灯ホルダ５に導光板１を取
り付ける。
(57) [Abstract] [Purpose] To reduce the economic burden when a low-pressure mercury discharge lamp becomes defective. [Structure] Engagement protrusions 22 should be provided inside both sides of a discharge lamp holder 5 made of a material having a little elasticity such as polycarbonate resin, and the engagement protrusions 22 should engage with both sides of the light guide plate 1. The engaging concave portion 21 is provided, and the engaging convex portion 22 is formed into the engaging concave portion 21.
The light guide plate 1 is attached to the discharge lamp holder 5 by engaging with.
Description
【０００１】[0001]
【産業上の利用分野】この発明は液晶表示装置等に使用
されるバックライト装置およびその製造方法に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a backlight device used for a liquid crystal display device and the like and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】図８は従来のバックライト装置を示す概
略平面図、図９は図８に示したバックライト装置を示す
概略正面図、図１０は図９の一部詳細図、図１１は図１
０のＥ矢視図、図１２は図１１のＦ−Ｆ断面図、図１３
は図１１のＧ−Ｇ断面図、図１４は図１０のＨ矢視図で
ある。図に示すように、導光板１の下面に反射シート２
が設けられ、導光体１の上面に拡散シート３が設けら
れ、導光板１、反射シート２、拡散シート３で導光体４
が構成されている。また、導光板１に放電灯ホルダ５が
接着により取り付けられ、放電灯ホルダ５に収納部６が
設けられ、収納部６に低圧水銀放電灯７が位置し、放電
灯ホルダ５の両端部に収納部９が設けられ、収納部９に
ゴムからなる端部保持体１０が挿入され、端部保持体１
０に低圧水銀放電灯７および低圧水銀放電灯７のリード
線８が保持され、放電灯ホルダ５に導光板１の放電灯ホ
ルダ５側端面が接する位置決め突起１１が設けられ、放
電灯ホルダ５の両端に切欠き１２が設けられ、切欠き１
２内にシリコン樹脂１３が設けられ、リード線８にコネ
クタ導線１４が接続されている。2. Description of the Related Art FIG. 8 is a schematic plan view showing a conventional backlight device, FIG. 9 is a schematic front view showing the backlight device shown in FIG. 8, FIG. 10 is a partial detailed view of FIG. 9, and FIG. Figure 1
0 is a view taken in the direction of arrow E, FIG. 12 is a sectional view taken along line FF in FIG.
11 is a sectional view taken along line GG in FIG. 11, and FIG. 14 is a view taken in the direction of arrow H in FIG. As shown in the figure, the reflection sheet 2 is provided on the lower surface of the light guide plate 1.
Is provided, and the diffusion sheet 3 is provided on the upper surface of the light guide 1. The light guide plate 1, the reflection sheet 2, and the diffusion sheet 3 form the light guide 4.
Is configured. Further, the discharge lamp holder 5 is attached to the light guide plate 1 by adhesion, the discharge lamp holder 5 is provided with the storage portion 6, the low-pressure mercury discharge lamp 7 is located in the storage portion 6, and the discharge lamp holder 5 is stored at both ends thereof. The end holding body 10 made of rubber is inserted into the storage portion 9, and the end holding body 1 is provided.
0 holds the low-pressure mercury discharge lamp 7 and the lead wire 8 of the low-pressure mercury discharge lamp 7, and the discharge lamp holder 5 is provided with a positioning protrusion 11 with which the end surface of the light guide plate 1 on the discharge lamp holder 5 side is in contact. The notches 12 are provided at both ends, and the notches 1
A silicone resin 13 is provided inside the connector 2, and a lead wire 8 is connected to a connector conductor wire 14.
【０００３】[0003]
【発明が解決しようとする課題】このバックライト装置
においては、導光板１と放電灯ホルダ５とが接着されて
いるから、低圧水銀放電灯７が不良になったときに、導
光板１から放電灯ホルダ５を取り外すことができないの
で、バックライト装置自体を交換しなければならないた
め、経済的負担が大きい。In this backlight device, since the light guide plate 1 and the discharge lamp holder 5 are adhered to each other, when the low-pressure mercury discharge lamp 7 becomes defective, it is emitted from the light guide plate 1. Since the electric lamp holder 5 cannot be removed, the backlight device itself must be replaced, which imposes a heavy economic burden.
【０００４】この発明は上述の課題を解決するためにな
されたもので、低圧水銀放電灯が不良になったときの経
済的負担が小さいバックライト装置を提供することを目
的とする。The present invention has been made to solve the above problems, and an object of the present invention is to provide a backlight device which has a small economic burden when a low-pressure mercury discharge lamp becomes defective.
【０００５】[0005]
【課題を解決するための手段】この目的を達成するた
め、この発明においては、放電灯ホルダに低圧水銀放電
灯が取り付けられ、上記放電灯ホルダに導光板が取り付
けられたバックライト装置において、上記放電灯ホル
ダ、上記導光板のどちらか一方に係合凸部を設け、上記
係合凸部を上記放電灯ホルダまたは上記導光板に係合す
ることにより上記放電灯ホルダに上記導光板を取り付け
る。To achieve this object, according to the present invention, there is provided a backlight device in which a low-pressure mercury discharge lamp is attached to a discharge lamp holder and a light guide plate is attached to the discharge lamp holder. An engaging protrusion is provided on either one of the discharge lamp holder and the light guide plate, and the engaging protrusion is engaged with the discharge lamp holder or the light guide plate to attach the light guide plate to the discharge lamp holder.
【０００６】この場合、上記放電灯ホルダまたは上記導
光板に上記係合凸部が係合すべき係合凹部を設ける。In this case, the discharge lamp holder or the light guide plate is provided with an engaging concave portion to which the engaging convex portion is to be engaged.
【０００７】この場合、上記放電灯ホルダに上記係合凸
部を設け、上記導光板に上記係合凹部を設ける。In this case, the discharge lamp holder is provided with the engaging convex portion, and the light guide plate is provided with the engaging concave portion.
【０００８】これらの場合、上記放電灯ホルダの両側近
傍にＵ字状の位置決め受座を設け、上記低圧水銀放電灯
を上記位置決め受座に当接して取り付け、上記低圧水銀
放電灯の両側端部を接着剤で上記放電灯ホルダに固定す
る。In these cases, U-shaped positioning seats are provided near both sides of the discharge lamp holder, and the low-pressure mercury discharge lamp is attached so as to abut against the positioning seat, and both end portions of the low-pressure mercury discharge lamp are attached. Is fixed to the discharge lamp holder with an adhesive.
【０００９】また、放電灯ホルダに係合凸部が設けら
れ、導光板に上記係合凸部が係合すべき係合凹部が設け
られ、上記係合凸部を上記係合凹部に係合することによ
り上記放電灯ホルダに上記導光板が取り付けられ、上記
放電灯ホルダの両側近傍にＵ字状の位置決め受座が設け
られ、上記低圧水銀放電灯が上記位置決め受座に当接し
て取り付けられ、上記放電灯ホルダの両側端部が接着剤
で上記放電灯ホルダに固定されたバックライト装置を製
造する方法において、上記低圧水銀放電灯のリード線に
コネクタ導線を接続し、上記低圧水銀放電灯を上記位置
決め受座に当接した状態で、上記低圧水銀放電灯の両側
端部を接着剤で上記放電灯ホルダに固定する。Further, the discharge lamp holder is provided with an engaging convex portion, the light guide plate is provided with an engaging concave portion to which the engaging convex portion is to be engaged, and the engaging convex portion is engaged with the engaging concave portion. By doing so, the light guide plate is attached to the discharge lamp holder, U-shaped positioning seats are provided in the vicinity of both sides of the discharge lamp holder, and the low-pressure mercury discharge lamp is attached in contact with the positioning seat. In the method for manufacturing a backlight device in which both ends of the discharge lamp holder are fixed to the discharge lamp holder with an adhesive, a connector lead wire is connected to the lead wire of the low pressure mercury discharge lamp, and the low pressure mercury discharge lamp is connected. While being in contact with the positioning seat, both end portions of the low-pressure mercury discharge lamp are fixed to the discharge lamp holder with an adhesive.
【００１０】[0010]
【作用】このバックライト装置においては、低圧水銀放
電灯が不良になったときに、放導光板から電灯ホルダを
取り外して、電灯ホルダを交換することができるから、
バックライト装置自体を交換する必要がない。In this backlight device, when the low-pressure mercury discharge lamp becomes defective, the lamp holder can be removed from the light guide plate and the lamp holder can be replaced.
There is no need to replace the backlight device itself.
【００１１】また、放電灯ホルダまたは導光板に係合凸
部が係合すべき係合凹部を設けたときには、放電灯ホル
ダに導光板を確実に取り付けることができる。Further, when the discharge lamp holder or the light guide plate is provided with the engagement concave portion to which the engagement convex portion is to be engaged, the light guide plate can be securely attached to the discharge lamp holder.
【００１２】また、放電灯ホルダに係合凸部を設け、導
光板に係合凹部を設けたときには、導光板を容易に作成
することができる。Further, when the engaging projection is provided on the discharge lamp holder and the engaging recess is provided on the light guide plate, the light guide plate can be easily manufactured.
【００１３】また、放電灯ホルダの両側近傍にＵ字状の
位置決め受座を設け、低圧水銀放電灯を位置決め受座に
当接して取り付け、放電灯ホルダの両側端部を接着剤で
放電灯ホルダに固定したときには、低圧水銀放電灯の中
心と導光板の中心とを高精度に一致させることができ
る。Further, U-shaped positioning seats are provided near both sides of the discharge lamp holder, the low-pressure mercury discharge lamp is mounted in contact with the positioning seat, and both ends of the discharge lamp holder are attached with an adhesive. When fixed to, the center of the low-pressure mercury discharge lamp and the center of the light guide plate can be aligned with high accuracy.
【００１４】また、バックライト装置の製造方法におい
ては、容易にバックライト装置を製造することができ
る。Further, in the method of manufacturing the backlight device, the backlight device can be easily manufactured.
【００１５】[0015]
【実施例】図１はこの発明に係るバックライト装置の一
部を示す分解斜視図、図２は図１に示したバックライト
装置の一部を示す図、図３は図２のＡ−Ａ断面図、図４
は図２のＢ矢視図、図５は図４のＣ−Ｃ断面図、図６は
図４のＤ−Ｄ断面図である。図に示すように、ポリカー
ボネート樹脂等のやや弾力性のある材質からなる放電灯
ホルダ５の両側部の内側に係合凸部２２が設けられ、導
光板１の両側面に係合凸部２２が係合すべき係合凹部２
１が設けられ、係合凸部２２を係合凹部２１に係合する
ことにより、放電灯ホルダ５に導光板１が取り付けられ
ている。また、放電灯ホルダ５の両側近傍にＵ字状の位
置決め受座２３が設けられ、低圧水銀放電灯７が位置決
め受座２３に当接して取り付けられ、放電灯ホルダ５の
両端部に端部収納部２４が設けられ、端部収納部２４内
にシリコン樹脂からなる接着剤２５が充填され、低圧水
銀放電灯７の両側端部が接着剤２５で放電灯ホルダ５に
固定され、接着剤２５中でリード線８とコネクタ導線１
４とが接続されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is an exploded perspective view showing a part of a backlight device according to the present invention, FIG. 2 is a view showing a part of the backlight device shown in FIG. 1, and FIG. Sectional view, Figure 4
2 is a view on arrow B in FIG. 2, FIG. 5 is a sectional view taken along line CC of FIG. 4, and FIG. 6 is a sectional view taken along line DD of FIG. As shown in the figure, the engaging protrusions 22 are provided inside both sides of the discharge lamp holder 5 made of a material having a little elasticity such as polycarbonate resin, and the engaging protrusions 22 are provided on both sides of the light guide plate 1. Engagement recess 2 to be engaged
1 is provided, and the light guide plate 1 is attached to the discharge lamp holder 5 by engaging the engaging convex portion 22 with the engaging concave portion 21. Further, U-shaped positioning seats 23 are provided near both sides of the discharge lamp holder 5, the low-pressure mercury discharge lamp 7 is attached in contact with the positioning seat 23, and both ends of the discharge lamp holder 5 are accommodated at the ends. A portion 24 is provided, and an adhesive 25 made of a silicone resin is filled in the end housing 24, and both end portions of the low-pressure mercury discharge lamp 7 are fixed to the discharge lamp holder 5 with the adhesive 25. And lead wire 8 and connector lead wire 1
4 and 4 are connected.
【００１６】このバックライト装置においては、低圧水
銀放電灯７が不良になったときに、放電灯ホルダ５から
導光板１を取り外して、低圧水銀放電灯７が取り付けら
れた放電灯ホルダ５を交換することができるから、バッ
クライト装置自体を交換する必要がないので、低圧水銀
放電灯７が不良になったときの経済的負担が小さい。ま
た、放電灯ホルダ５に係合凸部２２を設け、導光板１に
係合凹部２１を設けているから、放電灯ホルダ５に導光
板１を確実に取り付けることができるので、組立精度が
向上するとともに、導光板１に突出部を設ける必要がな
いので、導光板１を容易に作成することができるため、
製造コストが安価になる。また、低圧水銀放電灯７を位
置決め受座２３に当接して取り付け、低圧水銀放電灯７
の両側端部を接着剤２５で放電灯ホルダ５に固定してい
るから、低圧水銀放電灯７の中心と導光板１の中心とを
高精度に一致させることができるので、輝度を向上する
ことができ、また従来のように端部保持体１０を必要と
しないから、製造コストが安価である。In this backlight device, when the low-pressure mercury discharge lamp 7 becomes defective, the light guide plate 1 is removed from the discharge lamp holder 5 and the discharge lamp holder 5 to which the low-pressure mercury discharge lamp 7 is attached is replaced. Therefore, since it is not necessary to replace the backlight device itself, the economical burden when the low-pressure mercury discharge lamp 7 becomes defective is small. Further, since the discharge lamp holder 5 is provided with the engaging convex portion 22 and the light guide plate 1 is provided with the engaging concave portion 21, the light guide plate 1 can be securely attached to the discharge lamp holder 5, so that the assembling accuracy is improved. In addition, since it is not necessary to provide the light guide plate 1 with a protrusion, the light guide plate 1 can be easily manufactured.
Manufacturing costs are low. Further, the low-pressure mercury discharge lamp 7 is attached so as to abut on the positioning seat 23.
Since both ends of the low pressure mercury discharge lamp 7 are fixed to the discharge lamp holder 5 with the adhesive 25, the center of the low-pressure mercury discharge lamp 7 and the center of the light guide plate 1 can be matched with each other with high accuracy, and thus the brightness is improved. Since the end holding body 10 is not required unlike the conventional case, the manufacturing cost is low.
【００１７】つぎに、図１等に示したバックライト装置
を製造する方法すなわちこの発明に係るバックライト装
置の製造方法について説明する。まず、低圧水銀放電灯
７のリード線８にコネクタ導線１４を接続する。つぎ
に、低圧水銀放電灯７を位置決め受座２３に当接した状
態で、端部収納部２４内に接着剤２５を充填し、低圧水
銀放電灯７の両側端部を接着剤２５で放電灯ホルダ５に
固定する。つぎに、図１に示す状態から、放電灯ホルダ
５を下方にすなわち図１紙面下方に移動し、係合凸部２
２を係合凹部２１に係合する。Next, a method of manufacturing the backlight device shown in FIG. 1 and the like, that is, a method of manufacturing the backlight device according to the present invention will be described. First, the connector lead wire 14 is connected to the lead wire 8 of the low-pressure mercury discharge lamp 7. Next, with the low-pressure mercury discharge lamp 7 in contact with the positioning seat 23, an adhesive 25 is filled in the end housing 24, and both ends of the low-pressure mercury discharge lamp 7 are discharged with the adhesive 25. It is fixed to the holder 5. Next, the discharge lamp holder 5 is moved downward from the state shown in FIG.
2 is engaged with the engaging recess 21.
【００１８】このバックライト装置の製造方法において
は、従来のようにリード線８を端部保持体１０内に通す
必要がないから、容易にバックライト装置を製造するこ
とができるので、バックライト装置の製造コストが安価
になる。In this method of manufacturing a backlight device, since it is not necessary to pass the lead wire 8 through the end holding body 10 as in the conventional case, the backlight device can be easily manufactured. Manufacturing cost will be lower.
【００１９】図７はこの発明に係る他のバックライト装
置を示す断面図である。このバックライト装置において
は、放電灯ホルダ５の両側部の内側に爪状の係合凸部２
６が設けられ、係合凸部２６の上面を導光板１の下面側
に係合することにより、放電灯ホルダ５に導光板１が取
り付けられている。FIG. 7 is a sectional view showing another backlight device according to the present invention. In this backlight device, the claw-shaped engaging projections 2 are formed on the inner sides of both sides of the discharge lamp holder 5.
6 is provided, and the light guide plate 1 is attached to the discharge lamp holder 5 by engaging the upper surface of the engagement convex portion 26 with the lower surface side of the light guide plate 1.
【００２０】なお、図１等に示した実施例においては、
放電灯ホルダ５に係合凸部２２を設け、導光板１に係合
凹部２１を設けたが、放電灯ホルダ５に係合凹部を設
け、導光板１に係合凸部を設けてもよい。また、上述実
施例においては、図１に示す状態から放電灯ホルダ５を
下方に移動したときに係合する係合凸部２２、係合凹部
２１を設けたが、放電灯ホルダ５を図１紙面左右方向に
移動したときに係合する係合凸部、係合凹部を設けても
よい。また、図７に示した実施例においては、放電灯ホ
ルダ５に導光板１に係合すべき係合凸部２６を設けた
が、導光板１に放電灯ホルダ５に係合すべき係合凸部を
設けてもよい。また、上述実施例においては、シリコン
樹脂からなる接着剤２５を用いたが、他の材質の接着剤
を用いてもよい。In the embodiment shown in FIG. 1 etc.,
Although the engaging projection 22 is provided on the discharge lamp holder 5 and the engaging recess 21 is provided on the light guide plate 1, the engaging recess may be provided on the discharge lamp holder 5 and the engaging projection may be provided on the light guide plate 1. . Further, in the above-described embodiment, the engaging convex portion 22 and the engaging concave portion 21 which are engaged when the discharge lamp holder 5 is moved downward from the state shown in FIG. 1 are provided. You may provide the engaging convex part and the engaging concave part which engage when moving to the left-right direction of paper surface. Further, in the embodiment shown in FIG. 7, the discharge lamp holder 5 is provided with the engaging convex portion 26 to be engaged with the light guide plate 1, but the light guide plate 1 is engaged with the discharge lamp holder 5 in engagement. You may provide a convex part. Further, although the adhesive 25 made of a silicone resin is used in the above-mentioned embodiment, an adhesive made of another material may be used.
【００２１】[0021]
【発明の効果】以上説明したように、この発明に係るバ
ックライト装置においては、低圧水銀放電灯が不良にな
ったときに、放電灯ホルダから導光板を取り外して、放
電灯ホルダを交換することができるから、バックライト
装置自体を交換する必要がないので、経済的負担が小さ
い。As described above, in the backlight device according to the present invention, when the low-pressure mercury discharge lamp becomes defective, the light guide plate is removed from the discharge lamp holder and the discharge lamp holder is replaced. Since the backlight device itself does not need to be replaced, the economical burden is small.
【００２２】また、放電灯ホルダまたは導光板に係合凸
部が係合すべき係合凹部を設けたときには、放電灯ホル
ダに導光板を確実に取り付けることができるから、組立
精度が向上する。Further, when the discharge lamp holder or the light guide plate is provided with the engagement concave portion to which the engagement convex portion is to be engaged, the light guide plate can be securely attached to the discharge lamp holder, so that the assembling accuracy is improved.
【００２３】また、放電灯ホルダに係合凸部を設け、導
光板に係合凹部を設けたときには、導光板を容易に作成
することができるから、製造コストが安価になる。Further, when the engaging projection is provided on the discharge lamp holder and the engaging recess is provided on the light guide plate, the light guide plate can be easily manufactured, so that the manufacturing cost is reduced.
【００２４】また、放電灯ホルダの両側近傍にＵ字状の
位置決め受座を設け、上記低圧水銀放電灯を位置決め受
座に当接して取り付け、放電灯ホルダの両側端部を接着
剤で放電灯ホルダに固定したときには、低圧水銀放電灯
の中心と導光板の中心とを高精度に一致させることがで
きるから、輝度を向上することができる。Further, U-shaped positioning seats are provided near both sides of the discharge lamp holder, and the low-pressure mercury discharge lamp is mounted in contact with the positioning seat, and both ends of the discharge lamp holder are attached by an adhesive. When fixed to the holder, the center of the low-pressure mercury discharge lamp and the center of the light guide plate can be aligned with each other with high accuracy, so that the brightness can be improved.
【００２５】また、この発明に係るバックライト装置の
製造方法においては、容易にバックライト装置を製造す
ることができるから、バックライト装置の製造コストが
安価になる。Further, in the backlight device manufacturing method according to the present invention, since the backlight device can be easily manufactured, the manufacturing cost of the backlight device becomes low.
【図１】この発明に係るバックライト装置の一部を示す
分解斜視図である。FIG. 1 is an exploded perspective view showing a part of a backlight device according to the present invention.
【図２】図１に示したバックライト装置の一部を示す図
である。FIG. 2 is a diagram showing a part of the backlight device shown in FIG.
【図３】図２のＡ−Ａ断面図である。FIG. 3 is a sectional view taken along line AA of FIG. 2;
【図４】図２のＢ矢視図である。FIG. 4 is a view on arrow B of FIG.
【図５】図４のＣ−Ｃ断面図である。5 is a cross-sectional view taken along line CC of FIG.
【図６】図４のＤ−Ｄ断面図である。6 is a cross-sectional view taken along line DD of FIG.
【図７】この発明に係る他のバックライト装置を示す断
面図である。FIG. 7 is a sectional view showing another backlight device according to the present invention.
【図８】従来のバックライト装置を示す概略平面図であ
る。FIG. 8 is a schematic plan view showing a conventional backlight device.
【図９】図８に示したバックライト装置を示す概略正面
図である。9 is a schematic front view showing the backlight device shown in FIG.
【図１０】図９の一部詳細図である。FIG. 10 is a partial detailed view of FIG. 9.
【図１１】図１０のＥ矢視図である。11 is a view on arrow E of FIG.
【図１２】図１１のＦ−Ｆ断面図である。12 is a sectional view taken along line FF of FIG.
【図１３】図１１のＧ−Ｇ断面図である。13 is a sectional view taken along line GG of FIG.
【図１４】図１０のＨ矢視図である。14 is a view on arrow H of FIG.
１…導光板 ５…放電灯ホルダ ７…低圧水銀放電灯 ８…リード線 １４…コネクタ導線 ２１…係合凹部 ２２…係合凸部 ２３…位置決め受座 ２５…接着剤 ２６…係合凸部 DESCRIPTION OF SYMBOLS 1 ... Light guide plate 5 ... Discharge lamp holder 7 ... Low-pressure mercury discharge lamp 8 ... Lead wire 14 ... Connector lead wire 21 ... Engagement recess 22 ... Engagement projection 23 ... Positioning seat 25 ... Adhesive 26 ... Engagement projection
───────────────────────────────────────────────────── フロントページの続き (72)発明者 細谷 勝幸 東京都青梅市藤橋888番地 株式会社日立 製作所熱器ライティング事業部内 (72)発明者 加賀屋 与一 秋田県大曲市高関上郷字卯時田60 秋田精 密電子工業株式会社内 (72)発明者 土屋 昇 千葉県松戸市高塚新田563 セイコー電子 工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Katsuyuki Hosoya 888 Fujibashi, Ome City, Tokyo Hitachi Heater Lighting Division (72) Inventor Yoichi Kagaya 60 Takaseki Kamigogo, Omagari, Akita Prefecture Miyoshi Electronics Industry Co., Ltd. (72) Inventor Noboru Tsuchiya 563 Takatsuka Nitta, Matsudo City, Chiba Prefecture Seiko Electronics Industry Co., Ltd.
Claims (5)
られ、上記放電灯ホルダに導光板が取り付けられたバッ
クライト装置において、上記放電灯ホルダ、上記導光板
のどちらか一方に係合凸部を設け、上記係合凸部を上記
放電灯ホルダまたは上記導光板に係合することにより上
記放電灯ホルダに上記導光板を取り付けたことを特徴と
するバックライト装置。1. A backlight device in which a low-pressure mercury discharge lamp is attached to a discharge lamp holder, and a light guide plate is attached to the discharge lamp holder. In a backlight device, an engaging projection is provided on either the discharge lamp holder or the light guide plate. And a light guide plate is attached to the discharge lamp holder by engaging the engaging protrusion with the discharge lamp holder or the light guide plate.
係合凸部が係合すべき係合凹部を設けたことを特徴とす
る請求項１に記載のバックライト装置。2. The backlight device according to claim 1, wherein the discharge lamp holder or the light guide plate is provided with an engaging concave portion to which the engaging convex portion is to be engaged.
上記導光板に上記係合凹部を設けたことを特徴とする請
求項２に記載のバックライト装置。3. The discharge lamp holder is provided with the engaging convex portion,
The backlight device according to claim 2, wherein the engaging recess is provided in the light guide plate.
置決め受座を設け、上記低圧水銀放電灯を上記位置決め
受座に当接して取り付け、上記低圧水銀放電灯の両側端
部を接着剤で上記放電灯ホルダに固定したことを特徴と
する請求項１、２または３に記載のバックライト装置。4. A U-shaped positioning seat is provided in the vicinity of both sides of the discharge lamp holder, the low pressure mercury discharge lamp is attached so as to abut against the positioning seat, and both end portions of the low pressure mercury discharge lamp are bonded. The backlight device according to claim 1, wherein the backlight device is fixed to the discharge lamp holder with an agent.
板に上記係合凸部が係合すべき係合凹部が設けられ、上
記係合凸部を上記係合凹部に係合することにより上記放
電灯ホルダに上記導光板が取り付けられ、上記放電灯ホ
ルダの両側近傍にＵ字状の位置決め受座が設けられ、上
記低圧水銀放電灯が上記位置決め受座に当接して取り付
けられ、上記放電灯ホルダの両側端部が接着剤で上記放
電灯ホルダに固定されたバックライト装置を製造する方
法において、上記低圧水銀放電灯のリード線にコネクタ
導線を接続し、上記低圧水銀放電灯を上記位置決め受座
に当接した状態で、上記低圧水銀放電灯の両側端部を接
着剤で上記放電灯ホルダに固定することを特徴とするバ
ックライト装置の製作方法。5. The discharge lamp holder is provided with an engaging convex portion, the light guide plate is provided with an engaging concave portion to which the engaging convex portion is to be engaged, and the engaging convex portion is engaged with the engaging concave portion. By doing so, the light guide plate is attached to the discharge lamp holder, U-shaped positioning seats are provided in the vicinity of both sides of the discharge lamp holder, and the low-pressure mercury discharge lamp is attached in contact with the positioning seat. In the method for manufacturing a backlight device in which both ends of the discharge lamp holder are fixed to the discharge lamp holder with an adhesive, a connector lead wire is connected to the lead wire of the low pressure mercury discharge lamp, and the low pressure mercury discharge lamp is connected. A method for manufacturing a backlight device, wherein both side ends of the low-pressure mercury discharge lamp are fixed to the discharge lamp holder with an adhesive while being in contact with the positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6289544A JPH08148012A (en) | 1994-11-24 | 1994-11-24 | Backlight device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6289544A JPH08148012A (en) | 1994-11-24 | 1994-11-24 | Backlight device and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08148012A true JPH08148012A (en) | 1996-06-07 |
Family
ID=17744625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6289544A Pending JPH08148012A (en) | 1994-11-24 | 1994-11-24 | Backlight device and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08148012A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003043456A (en) * | 2001-07-20 | 2003-02-13 | Samsung Electronics Co Ltd | Liquid crystal display device |
| CN100458525C (en) * | 2002-06-25 | 2009-02-04 | 三星电子株式会社 | Lamp assembly, backlight assembly and liquid crystal display apparatus having the same |
| JP2009272096A (en) * | 2008-05-02 | 2009-11-19 | Citizen Electronics Co Ltd | Plane light source, and liquid crystal display |
| JP2019530966A (en) * | 2016-10-14 | 2019-10-24 | ルミレッズ ホールディング ベーフェー | Vehicle light assembly with flexible lighting strip |
| WO2023217833A1 (en) * | 2022-05-12 | 2023-11-16 | Signify Holding B.V. | Fixating a light guide without compromising the optical function |
-
1994
- 1994-11-24 JP JP6289544A patent/JPH08148012A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003043456A (en) * | 2001-07-20 | 2003-02-13 | Samsung Electronics Co Ltd | Liquid crystal display device |
| CN100458525C (en) * | 2002-06-25 | 2009-02-04 | 三星电子株式会社 | Lamp assembly, backlight assembly and liquid crystal display apparatus having the same |
| JP2009272096A (en) * | 2008-05-02 | 2009-11-19 | Citizen Electronics Co Ltd | Plane light source, and liquid crystal display |
| JP2019530966A (en) * | 2016-10-14 | 2019-10-24 | ルミレッズ ホールディング ベーフェー | Vehicle light assembly with flexible lighting strip |
| US11519581B2 (en) | 2016-10-14 | 2022-12-06 | Lumileds Llc | Vehicle light assembly comprising flexible lighting strip |
| WO2023217833A1 (en) * | 2022-05-12 | 2023-11-16 | Signify Holding B.V. | Fixating a light guide without compromising the optical function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100543817B1 (en) | Optical unit and LC device using the optical unit | |
| KR100937704B1 (en) | Backlight assembly | |
| JP5098549B2 (en) | LCD module | |
| JP3901503B2 (en) | Liquid crystal display device and manufacturing method thereof | |
| US6910784B2 (en) | Panel light source device and fabrication process for the same | |
| US20100302806A1 (en) | Planar illumination device | |
| JPH11126033A (en) | Electro-optical device and projection display device having the same | |
| JPH08148012A (en) | Backlight device and manufacturing method thereof | |
| JPH08179321A (en) | Liquid crystal display device | |
| JPH07287228A (en) | Backlight | |
| US7011441B2 (en) | Backlight unit and liquid crystal display apparatus | |
| JP2008292529A (en) | Liquid crystal module | |
| US20060072345A1 (en) | Backlight module and flat panel display employing the same | |
| JP2007053094A (en) | Molder frame, and backlight assembly and display device equipped with molder frame | |
| US8079859B2 (en) | Lamp socket for a backlight assembly | |
| JP3073340B2 (en) | Light guide plate device | |
| JP4438539B2 (en) | Display device and planar light source device | |
| JP3998471B2 (en) | Liquid crystal display backlight | |
| JP2001118418A (en) | Lighting apparatus | |
| US20050190317A1 (en) | Liquid crystal display device and backlight module thereof and light assembly of backlight module | |
| CN219245901U (en) | Short optical path backlight structure, liquid crystal module, display device and mobile terminal | |
| JP2772228B2 (en) | Vehicle lighting | |
| CN220584433U (en) | Backlight source and backlight module | |
| CN217521463U (en) | Backlight module and display device | |
| CN216345786U (en) | Panel light with uniform light emission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20040323 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20040330 |
|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20040527 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20050405 |