JP3105002U

JP3105002U - Dimmer structure

Info

Publication number: JP3105002U
Application number: JP2004001361U
Authority: JP
Inventors: 曾文保
Original assignee: 科橋電子股▲ふん▼有限公司
Priority date: 2004-03-17
Filing date: 2004-03-17
Publication date: 2004-10-21
Anticipated expiration: 2010-03-17

Abstract

【課題】各光源間の蒼然地帯を消去し、液晶モジュールに明、暗区が形成されるのを防止する調光器の構造を提供する。
【解決手段】調光器の構造は、内から外に向けて順に反射カバー、複数の光源、拡散板、複数の光学膜片及び液晶面板が設置される。そのうち光源は直線状、もしくはＵ型またはその他連続湾曲状のライト管で、適する間隔で反射カバーと下拡散片の間に設置される。そのバックライトモジュールには、各光源の間に少なくとも一個の調光器が設置され、光源両側の低速発射光線は調光器を通り適する屈折及び反射作用によって拡散板へ均一に放射される。
【選択図】図２The present invention provides a structure of a dimmer that eliminates a lush zone between light sources and prevents light and dark areas from being formed in a liquid crystal module.
A dimmer has a structure in which a reflection cover, a plurality of light sources, a diffusion plate, a plurality of optical film pieces, and a liquid crystal face plate are sequentially installed from inside to outside. The light source is a straight, U-shaped or other continuously curved light tube, which is installed at a suitable interval between the reflective cover and the lower diffuser. In the backlight module, at least one dimmer is installed between each light source, and the slow-emission light beams on both sides of the light source pass through the dimmer and are uniformly radiated to the diffuser by appropriate refraction and reflection.
[Selection] Figure 2

Description

本考案は、調光器の構造に関するもので、明、暗区を形成しない調光器で、より効果的に光源の光線を分配するものである。 The present invention relates to the structure of a dimmer, which is a dimmer that does not form a bright or dark zone, and more effectively distributes a light source.

図１Ａに示すのは、液晶モジュールの公知バックライトモジュール構造断面図である。バックライト全体の構造は内から外に向かって順に反射カバー１０、複数の光源２０、拡散板３０、下拡散片４０、プリズム片５０、反射式偏光片もしくは上拡散片６０及び液晶面板７０が設置される。そのうち、光源２０は直線状もしくはＵ型もしくはその他連続湾曲形状のライト管で、適する間隔で反射カバー１０と拡散板３０の間に設置される。その液晶面板の表示効果は各光源２０から放出される光線によって構成される。市場でよく見られる拡散板３０と液晶面板７０間の複数の光学膜片は、１〜３枚の拡散片、０〜二枚の反射式偏光片等が相互に組み合わさって構成され、その作用は、通過した光線を拡散し、各光源20の正面に対する間隔位置に光線が当たらず、液晶モジュールに明、暗区が形成されるのを改善する。 FIG. 1A is a cross-sectional view of a known backlight module structure of a liquid crystal module. The structure of the entire backlight is such that a reflective cover 10, a plurality of light sources 20, a diffuser 30, a lower diffuser 40, a prism 50, a reflective polarizer or upper diffuser 60, and a liquid crystal face plate 70 are installed in order from inside to outside. Is done. The light source 20 is a light tube having a straight, U-shaped or other continuously curved shape, and is disposed between the reflection cover 10 and the diffusion plate 30 at an appropriate interval. The display effect of the liquid crystal face plate is constituted by light rays emitted from each light source 20. A plurality of optical film pieces between the diffusion plate 30 and the liquid crystal face plate 70, which are often seen in the market, are formed by combining 1 to 3 diffusion pieces, 0 to 2 reflective polarizing pieces, and the like. Diffuses the passed light beam, and prevents the light beam from hitting the interval position with respect to the front of each light source 20, thereby improving the formation of bright and dark areas in the liquid crystal module.

しかし、拡散板３０は通過する光線を均一に拡散するためだけなので、液晶面板に起きる明、暗区現象を改善する効果には限界がある。このため、あるバックライトモジュールは、光源２０と拡散板３０の間隔を故意に長くして各光源２０が拡散板３０に進入する範囲を広げ、蒼然地帯を小さくしている。しかし、この構造は、効果に限界がある上、バックライトモジュールの厚みを増大させるため、液晶面板の軽量薄型の要求に応えられない。 However, since the diffusion plate 30 is only for uniformly diffusing the passing light beam, there is a limit to the effect of improving the bright and dark zone phenomenon occurring in the liquid crystal face plate. For this reason, in some backlight modules, the distance between the light source 20 and the diffusion plate 30 is deliberately increased, so that the range in which each light source 20 enters the diffusion plate 30 is increased, and the lush zone is reduced. However, this structure has a limited effect and increases the thickness of the backlight module, and therefore cannot meet the demand for a light and thin liquid crystal face plate.

また、別のバックライトモジュールは、拡散板の表面に消光処理を施しており、拡散板に二酸化ケイ素(ＳｉＯ_２)もしくは二酸化メタン(ＴｉＯ_２)を含んだインクでプリントし、拡散板の表面に消光(散光)機能を形成する。これによって、蒼然地帯を狭める効果を具える。しかしながら、この方法は拡散板の製造コストが上昇するだけでなく、製造工程も煩雑になり、更に光線が拡散板表面に照射されたときに消光作用があるだけである。 In another backlight module, a quenching process is performed on the surface of the diffusion plate, and the diffusion plate is printed with an ink containing silicon dioxide (SiO ₂ ) or methane dioxide (TiO ₂ ), and the surface of the diffusion plate is printed. Form a quenching (scattering) function. This has the effect of narrowing the blue zone. However, this method not only increases the manufacturing cost of the diffusion plate, but also complicates the manufacturing process, and furthermore, only has a quenching effect when a light beam is applied to the surface of the diffusion plate.

市場にはまた別の図１Ｂに示すバックライトモジュールが出ている。そのうち、反射カバー１０上に一体成型の調光器１２が複数設置され、この調光器１２自身が高反射材表面で、光源の光線を反射して各光源間の蒼然地帯を消去する。しかし、この調光器１２は、反射カバー１０と一体成型されているため、反射式の調光をするだけで、屈折式もしくは乱反射式調光機能は具えていない。 Another backlight module shown in FIG. 1B is on the market. A plurality of dimmers 12 are integrally formed on the reflective cover 10, and the dimmers 12 themselves reflect light rays of the light sources on the surface of the high-reflection material to erase a lush zone between the light sources. However, since the dimmer 12 is integrally formed with the reflection cover 10, the dimmer only performs the dimming of the reflection type, and does not have the refraction type or the irregular reflection type dimming function.

解決しようとする問題点は、各光源の正面に対する間隔位置に光線が当たらず、液晶モジュールに明、暗区が形成され、また液晶面板の軽量薄型の要求に応えられない点である。 The problem to be solved is that no light beam hits the interval position of each light source with respect to the front, light and dark areas are formed in the liquid crystal module, and the demand for a light and thin liquid crystal face plate cannot be met.

本考案は、内から外に向けて順に反射カバー、複数の光源、拡散板、複数の光学膜片及び液晶面板が設置される。そのうち光源は直線状、もしくはＵ型またはその他連続湾曲状のライト管で、適する間隔で反射カバーと下拡散片の間に設置される。そのバックライトモジュールには、各光源の間に少なくとも一個の調光器が設置され、光源両側の低速発射光線は調光器を通り、適する屈折及び反射作用によって拡散板へ均一に放射されることを最も主要な特徴とする。 In the present invention, a reflection cover, a plurality of light sources, a diffusion plate, a plurality of optical film pieces, and a liquid crystal face plate are installed in order from inside to outside. The light source is a straight, U-shaped or other continuously curved light tube, which is installed at a suitable interval between the reflective cover and the lower diffuser. At least one dimmer is installed between each light source in the backlight module, and the slow-emission rays on both sides of the light source pass through the dimmer and are uniformly radiated to the diffuser by appropriate refraction and reflection. Is the most important feature.

本考案の調光器の構造は、明、暗区を形成しない調光器で、より効果的に光源を分配するという利点がある。 The structure of the dimmer according to the present invention has the advantage that the light source is more effectively distributed with the dimmer which does not form a bright or dark zone.

図２は、バックライトモジュール全体の基本構造を示したもので、内から外に向けて順に反射カバー１０、複数の光源２０、拡散板３０、下拡散片４０、プリズム片５０、反射式偏光片もしくは上拡散片６０及び液晶面板７０が設置される。そのうち、光源２０は直線状もしくはＵ型もしくはその他連続湾曲形状のライト管で、適する間隔で反射カバー１０と拡散板３０の間に設置される。その液晶面板の表示効果は各光源２０から放出される光線によって構成される。 FIG. 2 shows the basic structure of the entire backlight module, in order from inside to outside, a reflection cover 10, a plurality of light sources 20, a diffusion plate 30, a lower diffusion piece 40, a prism piece 50, a reflection type polarization piece. Alternatively, the upper diffusion piece 60 and the liquid crystal face plate 70 are provided. The light source 20 is a light tube having a straight, U-shaped or other continuously curved shape, and is disposed between the reflection cover 10 and the diffusion plate 30 at an appropriate interval. The display effect of the liquid crystal face plate is constituted by light rays emitted from each light source 20.

バックライトモジュールには別に各光源２０の間隔位置に少なくとも１個の実心または空心の調光器８０が設置される。図２に示す実施例の調光器８０は、細長形状の構造体で、粘着方式で反射カバー１０に固定される。 In the backlight module, at least one real-centered or air-centered dimmer 80 is installed at an interval between the light sources 20. The dimmer 80 of the embodiment shown in FIG. 2 is an elongated structure, and is fixed to the reflective cover 10 by an adhesive method.

図３に示すとおり、調光器８０上に反射カバー１０、もしくは反射カバー１０下部部晶と相互に嵌合する嵌合ユニット１００が設置され、調光器８０を反射カバー１０の適する位置にしっかりと定置させる。本考案実施例の嵌合ユニット１００は、調光器８０と反射カバー１０の接合面上に定位ピン８１が設置され、反射カバー１０には定位孔１１が対応して設置される。また調光器８０と反射カバー１０は、相互に固定、もしくは嵌合部品が増設され、粘着または嵌合またはネジ等で固定される。 As shown in FIG. 3, the reflection cover 10 or the fitting unit 100 that is fitted to the lower part crystal of the reflection cover 10 is installed on the light controller 80, and the light controller 80 is firmly placed at a suitable position on the reflection cover 10. And fixed. In the fitting unit 100 according to the embodiment of the present invention, a localization pin 81 is installed on a joint surface between the dimmer 80 and the reflective cover 10, and a localization hole 11 is installed in the reflective cover 10. Further, the dimmer 80 and the reflection cover 10 are fixed to each other or a fitting part is additionally provided, and the dimmer 80 and the reflection cover 10 are fixed with adhesive or fitting or screws.

図４に示すとおり、調光器８０と反射カバー１０の接合面上に固定孔８２を穿設し、反射カバー１０にはネジ９０を挿し込む定位孔１１を対応して設置し、ネジ９０が調光器８０と反射カバー１０または反射カバー１０下部構造を固定する。 As shown in FIG. 4, a fixing hole 82 is formed on the joint surface between the dimmer 80 and the reflection cover 10, and a positioning hole 11 for inserting a screw 90 is provided in the reflection cover 10. The dimmer 80 is fixed to the reflection cover 10 or the lower structure of the reflection cover 10.

本考案の調光器８０は、各光源２０の間隔位置に設置され、光源２０両側の低速発射する光線によって、それが調光器８０を通過して適する屈折及び反射を生み、拡散板３０に向かって均一に放出する。それによって、光源間に形成される蒼然地帯を消去し、有効に光源の光線を配分する。 The dimmer 80 of the present invention is installed at the interval between the light sources 20, and the light emitted at a low speed on both sides of the light source 20 passes through the dimmer 80 to generate appropriate refraction and reflection. Discharge uniformly toward. This eliminates the lush zone formed between the light sources and effectively distributes the light rays of the light sources.

この他、調光器８０はプラスチック材を使用することができ、例としてＰＣ(ポリカーボネート)、またはＰＭＭＡ(ポリメタクリル酸メチルェステル)、またはＰＥＴ((ポリパラベンゼンカーボン酸エチルダイエステル)等で作られた透明または白色の細長状構造体を含む。または透明プラスチック材である、例としてＰＣ(ポリカーボネート)もしくはＰＭＭＡ(ポリメタクリル酸メチルェステル)に拡散剤(例として二酸化ケイ素(ＳｉＯ_２)もしくは二酸化メタン(ＴｉＯ_２)等)を入れて精製した白色霧状細長構造体でもよい。効果の異なる調光器８０を屈折させることによって、バックライトモジュールの実際の光源２０間に、適する光効果の調光器８０を選択する。 In addition, the dimmer 80 can be made of a plastic material, and is made of, for example, PC (polycarbonate), PMMA (polymethyl methacrylate), or PET ((polyparabenzene carboxyethyl diester)). A transparent or white elongated structure, or a transparent plastic material, such as PC (polycarbonate) or PMMA (polymethyl methacrylate), and a diffusing agent (eg, silicon dioxide (SiO ₂ ) or methane dioxide (TiO ₂ )). ₂ ) etc. may be used to refine the white mist-like elongated structure.By dimming the dimmers 80 having different effects, the dimmers 80 having an appropriate light effect can be provided between the actual light sources 20 of the backlight module. Select

図５に示すとおり、更に調光器８０に少なくとも一つの表面上(本実施例では調光器８０の下拡散片４０向きの表面上)に凹凸刻紋８３を設置する。この刻紋はＶ溝、Ｕ溝、Ｃ溝が一個以上直線もしくは曲線もしくは両者を合わせた溝槽である。 As shown in FIG. 5, a concave / convex pattern 83 is further provided on at least one surface of the dimmer 80 (in this embodiment, on the surface of the dimmer 80 facing the lower diffusion piece 40). This engraving is a groove tank in which at least one V-groove, U-groove and C-groove are straight or curved or a combination of both.

図６に示すとおり、異なる曲面率の曲面８４を設置するもので、この調光器８０は異なる曲面もしくは平面から構成される。凹凸刻紋８３または曲面８４には集光効果があり、光源２０を異なる大きさにしたり、異なる間隔にしたり、異なる形状及び設置距離に変化を与えたりする。 As shown in FIG. 6, a curved surface 84 having a different curvature is provided, and the dimmer 80 includes a different curved surface or a flat surface. The concavo-convex pattern 83 or the curved surface 84 has a light-condensing effect, and causes the light source 20 to have a different size, a different interval, or a change in a different shape and installation distance.

図７に示すとおり、光源２０角度が異なることによって、調光器８０の形状を図８Ａ,Ｂに示すとおりに調整する。図８Ａ,Ｂは調光器８０上に連続して異なる外観もしくは大きさにしており、高原２０の光線を調光器８０から拡散板３０の凹凸刻紋８３または曲面８４に向かって放出し、公知の問題である明、暗区の形成を防止する。当然調光器８０の少なくとも一面に霧化、インク印刷処理もしくは凹凸点(例として円形、矩形、ひし形、多角形点等)付設しても効果は同じである。 As shown in FIG. 7, by changing the angle of the light source 20, the shape of the dimmer 80 is adjusted as shown in FIGS. 8A and 8B. 8A and 8B show different appearances or sizes continuously on the dimmer 80, and the rays of the plateau 20 are emitted from the dimmer 80 toward the concave / convex pattern 83 or the curved surface 84 of the diffusion plate 30, Prevent the formation of bright and dark areas, a known problem. Of course, the effect is the same even if atomization, ink printing processing, or uneven points (for example, circles, rectangles, rhombuses, polygonal points, etc.) are provided on at least one surface of the dimmer 80.

上述のとおり、本考案は液晶モジュールに関する良好な調光器の構造を示したもので、本考案の実施例は一実施例に過ぎず、本考案の構造、装置、特徴等が近似もしくは雷同しているものは、すべて本考案の範囲とする。 As described above, the present invention shows the structure of a good dimmer for a liquid crystal module, and the embodiment of the present invention is only an example, and the structure, apparatus, features, etc. of the present invention are similar or similar. Anything that falls within the scope of the present invention.

公知のバックライトモジュールの構造断面図である。FIG. 2 is a structural cross-sectional view of a known backlight module. 公知のバックライトモジュールの構造断面図である。FIG. 2 is a structural cross-sectional view of a known backlight module. 本考案第一実施例のバックライトモジュール構造断面図である。FIG. 2 is a cross-sectional view of the backlight module structure according to the first embodiment of the present invention. 本考案第二実施例のバックライトモジュール構造断面図である。FIG. 4 is a cross-sectional view of a backlight module according to a second embodiment of the present invention. 本考案第三実施例のバックライトモジュール構造断面図である。FIG. 4 is a cross-sectional view of a backlight module structure according to a third embodiment of the present invention. 本考案第四実施例のバックライトモジュール構造断面図である。FIG. 4 is a cross-sectional view of a backlight module structure according to a fourth embodiment of the present invention. 本考案第五実施例のバックライトモジュール構造断面図である。FIG. 7 is a cross-sectional view of a backlight module structure according to a fifth embodiment of the present invention. 本考案第六実施例のバックライトモジュール構造断面図である。FIG. 8 is a cross-sectional view of a backlight module structure according to a sixth embodiment of the present invention. 本考案第七実施例のバックライトモジュール構造断面図である。FIG. 7 is a cross-sectional view of a backlight module structure according to a seventh embodiment of the present invention. 本考案第七実施例のバックライトモジュール構造断面図である。FIG. 7 is a cross-sectional view of a backlight module structure according to a seventh embodiment of the present invention.

Explanation of reference numerals

１０反射カバー
１１定位孔
１２調光器
２０光源
３０拡散板
４０下拡散片
５０プリズム片
６０反射式偏光片
７０液晶面板
８０調光器
８１定位ピン
８２固定孔
８３凹凸刻紋
８４曲面
９０ネジ
１００嵌合ユニット DESCRIPTION OF SYMBOLS 10 Reflective cover 11 Orientation hole 12 Dimmer 20 Light source 30 Diffusion plate 40 Lower diffusion piece 50 Prism piece 60 Reflection type polarization piece 70 Liquid crystal face plate 80 Dimmer 81 Orientation pin 82 Fixing hole 83 Concavo-convex pattern 84 Curved surface 90 Screw 100 fitting Unit

Claims

In the backlight module, a reflection cover, a plurality of light sources, a diffusion plate, a plurality of optical film pieces and a liquid crystal face plate are installed in order from inside to outside, and the light source is linear, U-shaped or other continuously curved. In the structure of the dimmer installed between the reflective cover and the lower diffuser at a suitable interval with a light tube of
In the backlight module, at least one dimmer is installed between each light source, and it is ensured that the slow-emission rays on both sides of the light source pass through the dimmer and are uniformly radiated to the diffuser by appropriate refraction and reflection. Characteristic dimmer structure.

The dimmer structure according to claim 1, wherein the dimmer has an elongated structure with a real center or an air core, and is fixed to the reflection cover by an adhesive method.

The dimmer structure according to claim 1, wherein the dimmer is provided with a fitting unit for fitting the reflective cover or a lower structure of the reflective cover.

In the fitting unit, the dimmer has an elongated structure, and since the localization pins are provided on the joint surface of the reflective cover, the reflective cover or the lower structure of the reflective cover is provided with corresponding localization holes. The dimmer structure according to claim 5, wherein the dimmer and the reflection cover are fitted to each other.

The fitting unit depends on the dimmer, so that a fixing hole is formed on the joint surface between the dimmer and the reflective cover, the reflective cover or the lower structure of the reflective cover is opposed, and a positioning hole for inserting a screw is installed. The dimmer structure according to claim 1, wherein the dimmer and the reflection cover are fixed to each other by screws.

2. The dimmer according to claim 1, wherein the dimmer has at least one V-groove, a U-groove, and a C-groove on a surface, and a groove or a groove formed by combining a straight line or a curved line or a combination thereof. Structure of optical device.

The dimmer structure according to claim 1, wherein at least one dimmer is installed on the surface with a different curvature.

The dimmer structure according to claim 1, wherein the dimmer is a transparent elongated structure, a white elongated structure, or a white fog elongated structure.

The dimmer is characterized in that at least one of them is atomized on the surface, subjected to an ink printing process, or irregular points of each formula (for example, a circle, a rectangle, a rhombus, a polygonal point, etc.) are added. The structure of the dimmer according to claim 1.

The dimmer structure according to claim 1, wherein the optical film piece includes a lower diffusion piece, a prism piece, and a reflective polarization piece.

The structure of the dimmer according to claim 1, wherein the optical film piece includes one to three diffusion pieces, zero to two light-enhancing pieces, and zero to one reflection-type polarizing piece. .

The dimmer is, for example, a plastic material made of PC (polycarbonate) or PMMA (polymethacrylate methyl ester) or PET (polyparabenzenecarbonate ethyl diester), and has a transparent or white elongated structure. The dimmer structure according to claim 1, wherein the dimmer has a body.

2. The dimmer according to claim 1, wherein the dimmer is a transparent plastic material purified by adding a diffusing agent to PC (polycarbonate) or PMMA (polymethyl methacrylate), and is a white-fog-like elongated structure. Dimmer structure.