CN1213329C - Liquid crystal display unit and its manufacturing technique - Google Patents
Liquid crystal display unit and its manufacturing technique Download PDFInfo
- Publication number
- CN1213329C CN1213329C CN 01136747 CN01136747A CN1213329C CN 1213329 C CN1213329 C CN 1213329C CN 01136747 CN01136747 CN 01136747 CN 01136747 A CN01136747 A CN 01136747A CN 1213329 C CN1213329 C CN 1213329C
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- China
- Prior art keywords
- lcd
- body lid
- lid
- liquid crystal
- pattern
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Abstract
The present invention relates to a back beautifying type liquid crystal display The present invention comprises a liquid crystal panel, a base and a back cover, wherein the liquid crystal panel is provided with a first surface and a corresponding second surface; the first surface is provided with a display part; the first surface of the liquid crystal panel is covered by a front outer shell, and the display part is exposed; the second surface of the liquid crystal panel is covered by a back outer shell; the base is connected with the back outer shell in a hinge manner, and the angle of the liquid crystal panel corresponding to the base can be adjusted. The back cover is provided with a nearly flat outer surface, the back cover is covered on the back outer shell, and is made of metal.
Description
Technical field
The invention relates to a kind of LCD, and particularly be printed on the LCD and the manufacture method thereof of U.S.'s back of the body design of floral designs relevant for a kind of back.
Background technology
LCD (LCD monitor), volume is little, in light weight, power consumption hangs down advantages such as reaching zero radiation owing to have, and has become personal computer configuration commonly used.As many commercial products, the personal computer product is more convenient, more personalized except requiring on the function; In the application of space, also make every effort to compact, attractive in appearance as for requiring especially in appearance, the rich variation.And since plastics to have a moulding easy, the plasticity height, the advantage that weight is slim and graceful, so often be used as the shell of many products, for LCD, also be all with plastics as shell.
Please be simultaneously with reference to Fig. 1 and Fig. 2, wherein Fig. 1 illustrates the isometric front view of known LCD; Fig. 2 illustrates the rear isometric view corresponding to the known LCD of Fig. 1.Known LCD 100 mainly is made of liquid crystal panel 102 (LCD panel), such as thin film transistor (TFT) (the Thin Film Transistor that is main flow now, TFT) liquid crystal panel, and coated with front casing 104 (front housing) and rear casing 106 (back housing).Wherein the front of liquid crystal panel 102 has the display part, and the back side is reflecting plate (Reflector) or backlight (BackLight) part, front casing 104 is except the display part that exposes liquid crystal panel 102, also comprise several regulation and control buttons 108 (button), in order to setting values such as regulation and control display brightness, contrasts, perhaps also dispose sound hole (not illustrating), as the output of sound.Rear casing 106 then comprises a plurality of louvres 112, and it can be slotted eye shape as shown in the figure, perhaps circular hole shape.Usually the material of front casing 104 and rear casing 106 is all plastics, and in order to dispel the heat consideration, the surface of rear casing 106 has louvre 112 and essential holding portion circuit, and institute thinks irregularly shaped, is difficult for impressing pattern, and appearance attractive in appearance can not be provided.Front casing 104, rear casing 106 are fixed on the base 110 together with 102 of liquid crystal panels.Though yet plastics are easy to manufacture, but because the external form of these goods and irregular, some patterns of formation are beautified on surface of plastic products if desire, and are very complicated and difficult.And the shell of plastics can not provide the protection of any electromagnetic interference (EMI) (electromagnetic interference), can influence the using character of LCD.
Be known in the surface of the curved surface or the concave surface of plastic products, desire impressing pattern and need pass through bat printing, hot transfer printing, the mode of coating or coating film is carried out.Yet these method for makings all have common drawback, and just qualification rate is low, and manufacture craft is loaded down with trivial details, and are easy to generate gauffer, and half tone is difficult for the location when transfer printing, and the chromatography difficulty, therefore are applied on the complicated product of colour or pattern very difficult.For very popular now lcd products, the consumer wishes to have unique moulding and Color Scheme.Yet to these demands, at present not corresponding product comes out, and does not also have suitable manufacture craft technology that preferable solution is provided, all be faced with expensive, low qualification rate, the restricted predicament of moulding color.
Summary of the invention
Therefore one of purpose of the present invention is providing a kind of LCD exactly, increase Yi Beigai at the LCD back, and can form pattern miscellaneous on its surface, make LCD possess the variation design, to meet the demand of following personalized shape-designing trend.
Another object of the present invention is to provide a kind of LCD, increase metal backing lid, preferable emi protection can be provided, and can keep suitable radiating effect.
A purpose in addition of the present invention is exactly that a kind of printing process of metal sheet is being provided, and can be applied to the manufacturing of LCD back of the body lid or personal computer shell etc., is able to print on metal sheet various multicolour patterns.
For reaching above-mentioned purpose of the present invention, a kind of LCD is proposed, comprising: it has first surface and corresponding second surface a liquid crystal panel, and wherein first surface has the display part.The first surface of front casing covering liquid crystal panel, and expose the display part; And the second surface of rear casing covering liquid crystal panel.One base is connected with the rear casing hinge type, makes liquid crystal panel can adjust corresponding to the angle of base.One back of the body lid has a flat outer surface, and back of the body lid covers on the rear casing, and wherein the material of back of the body lid is a metal.
Back of the body lid is made of a plate-like body and a sidewall, and wherein the external form of plate-like body is identical with the external form of LCD, and it has a flat outer surface, and the material of plate-like body is a metal.And sidewall is connected the periphery of plate-like body, and slightly vertical with plate-like body, and is used for being connected with the LCD outer rim.
According to a preferred embodiment of the present invention, wherein plate-like body and sidewall are one-body molded; In the outer rim of sidewall and LCD correspondence, also dispose a fastening structure respectively.And also comprise at least one screw in plate-like body and/or sidewall, be used for will carrying on the back lid and be fixed on LCD with screw.The material of back of the body lid comprises any one material in aluminium, aluminium alloy and the almag.
The outside surface of back of the body lid has a pattern, and pattern is printed by the mode of offset printing; And can be the patterned surface of handling through the erosion flower, perhaps be patterned surface through blasting treatment.LCD back of the body lid of the present invention can also comprise a plastic, transparent sheath, is coated on the outside surface of back of the body lid.
For reaching above and other objects of the present invention, a kind of printing process of metal sheet is also proposed, can be applied to the shell of display back of the body lid, electric appliance casing, metal packaging box and electrical equipment anti-electromagnetic radiation etc.The printing process of metal sheet comprises: a sheet metal at first is provided; Carry out a lithographic step, print a pattern at metal sheet surface.Then, attach a diaphragm at sheet metal tool patterned surface; And carry out a punching press and take out the type step, make sheet metal take out type and become required external form, to form metal sheet.
According to a preferred embodiment of the present invention, wherein before lithographic step, also comprise and carry out an epithelium treatment step, and the epithelium treatment step comprises blasting treatment or the processing of erosion flower.In addition, the material of sheet metal comprises aluminium, aluminium alloy, almag etc.; And the material of diaphragm comprise polyurethane (polyurethane, PU).For the pattern than multicolour, lithographic step can be reached by the multiplex priting step.
For above and other objects of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. elaborate.
Description of drawings
Fig. 1 illustrates the isometric front view of known LCD.
Fig. 2 illustrates the rear isometric view corresponding to the known LCD of Fig. 1.
Fig. 3 illustrates according to the positive perspective exploded view of a kind of LCD of a preferred embodiment of the present invention.
Fig. 4 illustrates the back side schematic perspective view of corresponding diagram 3.
Fig. 5 illustrates the manufacturing flow chart of a kind of liquid crystal back of the body lid of a preferred embodiment of the present invention.
Label declaration:
100,200: LCD 102,204: liquid crystal panel
104,202: front casing 106,206: rear casing
108,220: button 110,208: base
112: louvre 210: display unit main body
212: positive (first surface) 214: display part
216: the back side (second surface) 218: driven unit
230: the back of the body covers 232: dull and stereotyped main body
234: sidewall 236: outside surface
238: pattern 240: screw
250: transparent cover
300,302,304,306,308,310: flow process
Embodiment
Please be simultaneously with reference to Fig. 3 and Fig. 4, wherein Fig. 3 illustrates according to the positive perspective exploded view of a kind of LCD of a preferred embodiment of the present invention; And Fig. 4 illustrates the back side schematic perspective view of corresponding diagram 3.The display unit main body 210 of LCD 200 is made up of front casing 202, liquid crystal panel 204 and rear casing 206, and base 208 connects and composes support section with rear casing 206 hinge types.Wherein liquid crystal panel 204, such as being the tft liquid crystal panel, its front 212 (first surface) has display part 214, its periphery is driven unit 218 (driverdevice), and the back side 216 (second surface) promptly is the part of (back light) backlight and reflecting plate (reflector).And the front 212 of front casing 202 covering liquid crystal panel 204 and expose display part 214, and comprise several regulation and control button 220 (button), in order to setting values such as regulation and control display brightness, contrasts, perhaps also dispose sound hole (not illustrating), as the output of sound.Rear casing 206 is the back side 216 of covering liquid crystal panel 206 then, and comprise a plurality of louvres 222, and it can be the slotted eye shape that is indicated as figure, perhaps circular hole shape.And base 208 is to be connected with rear casing 206 hinge types through hinge (hinge) or universal joint, makes the angle of display unit main body 210 relative bases 208 suitably to adjust.Above-mentioned front casing 202, rear casing 206 and the main material of base are all plastics.
LCD of the present invention comprises that also a back of the body covers 230, and it is made of plate-like body 232 and sidewall 234, covers on the rear casing 206.Wherein the shape of plate-like body 232 is the exterior design according to display unit main body 210, and its external form is identical with display theme 210, and the outside surface 236 1 of plate-like body 232 is smooth, forms back attractive in appearance, such as printed color pattern 238.And plate-like body 232 can be integrally formed with metal with sidewall 234, so that good emi protection to be provided.And the back of the body cover 230 and is fixed in display unit main body 210 by a stationary installation, such as at plate-like body 232 and/or sidewall 234 formation screws 240, locks in display unit main body admittedly with screw.Perhaps form projection, and rear casing 206 lateral margins form groove, and form engaging support mechanism at sidewall 234 inner faces; Can certainly form projection at rear casing 206 lateral margins, and sidewall 234 inner faces form groove, also can reach the fastening purpose.Except that the said fixing device, be familiar with this operator and should know to also have many fixed forms, such as riveted joint, welding etc. can be applied to the present invention, are not limited to above-mentioned announcement
Embodiment.
In addition, the back of the body covers and can also cover a transparent sheath 250 on 230, and the pattern 238 that covers on 230 with the protection back of the body avoids scratch, perhaps adopts the mode of translucent or hollow out, makes LCD back pattern more attractive in appearance.The material of transparent sheath 250 can utilize the mode of injection molding to make such as being plastics.
Yet, reach above-mentioned U.S. back of the body design, the present invention proposes a kind of manufacture method of LCD back of the body lid.Please refer to Fig. 5, it illustrates the manufacturing flow chart of a kind of liquid crystal back of the body lid of a preferred embodiment of the present invention.LCD back of the body lid of the present invention is to constitute with sheet metal processing, so at first provide a sheet metal as base material, shown in step 300.Wherein the material of sheet metal is preferably aluminum or aluminum alloy, yet also can be other metal.Then, can selectivity carry out an epithelium treatment step, shown in step 302, also promptly the required surface working of carrying out be complied with on the surface of sheet metal desire impressing pattern,, make follow-up pattern have more and change and stereoscopic sensation such as erosion flower or blasting treatment.Certainly, this epithelium treatment step can selectively carry out according to need, also can omit this step, directly carries out follow-up print steps with smooth metal sheet surface.
Then, carry out the lithography of sheet metal, shown in step 304.Because the sheet metal of present stage is flat state, the very suitable lithography that carries out, directly with mode of printing at the metal sheet surface impressing pattern, if the pattern of selecting for use is for colored, then can reach by the multiple tracks lithographic step, red such as being divided into, blue, yellow three look lithographys, the process chromatography can obtain the pattern of multicolour then.Generally be the pattern of printing at institute's desire, carry out color separation earlier, the variation of complying with required color is divided into three looks or the five colors, even more, makes printing lithographic plate of all kinds then respectively, carries out chromaticity printing again, can obtain in riotous profusion multicolour pattern.Because it is very accurate that lithography can be controlled on chromatography, so qualification rate is high, and plate-making and print speed printing speed be exceedingly fast, and cost is low, very suitable production in enormous quantities; And since color separation, plate-making and chromatography take time extremely short, also very suitable for diversified limited production.
Moreover; stick a diaphragm in the metal surface alternative that produces pattern; shown in step 306; the material of diaphragm is such as being polyurethane (ployurethane; PU); or other organic film, its purpose is to protect pattern unlikely destruction the in follow-up manufacture craft that has produced.Certainly, this step can cooperate lithographic result and Mould design, needing to determine whether this layer diaphragm, so the step of pasting protective film is omissible.Then, carry out punching press and take out the type step, shown in step 308, sheet metal is taken out type become the required shape of LCD back of the body lid, promptly obtain finished product, shown in step 310.Wherein the complexity of type according to external form taken out in punching press, can one or multi-channel mould carries out punching press and takes out type, also can form required assembling hole simultaneously, such as fixing threaded hole etc.In addition, the required anchor point of chromatography in lithographic step also can be used as the anchor point of punching press when taking out type, can also guarantee the qualification rate of finished product like this.
Though the foregoing description be with LCD back of the body lid be example as an illustration, yet being familiar with this operator should know, technology disclosed in this invention can be applied to various metal sheets, its material comprises metal materials such as aluminium, aluminium alloy or almag, and its application product scope is also very wide, comprises the shell of display back of the body lid, electric appliance casing, computer housing, metal packaging box and electrical equipment anti-electromagnetic radiation (EMI) etc.The manufacture method that relies on the present invention to propose can provide Related product more diversified appearance design, and guarantee the product quality of high qualification rate.
In sum, the present invention has following advantage at least:
1. LCD of the present invention, increase Yi Beigai at the LCD back, the manufacture craft technology of utilizing offset printing collocation punching press to take out type, can form pattern miscellaneous on its surface, make LCD possess the variation design, to meet the demand of following individualized shape-designing trend.
2. LCD of the present invention increases metal backing lid, and preferable emi protection can be provided, and takes into account practical and effect attractive in appearance.And because the good heat conductive characteristic of metal, and the LCD thermal value is low, so can keep suitable radiating effect.
3. according to manufacture method of the present invention, can carry out lithography before the metal sheet moulding, improve the processability of template workpiece impressing pattern, the lithography that is adopted simultaneously can improve product percent of pass, reduces cost, and can realize producing in batches.
4. according to manufacture method of the present invention, after sheet metal had been printed pattern, the attaching diaphragm carried out punching press again and takes out type, can guarantee that not only the pattern of printing does not wreck, and can be applied to the metal sheet of various external forms.
According to the present invention for the multiple product shell, a kind of manufacture craft technology that can variation design is provided, make to be resolved the demand of following individualized shape-designing trend.
Though the present invention with a preferred embodiment openly as above; right its is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; when can doing to change and retouching, so protection scope of the present invention is as the criterion when looking the accompanying Claim book.
Claims (28)
1. LCD is characterized in that: comprising:
One liquid crystal panel has a first surface and a corresponding second surface, and wherein this first surface has a display part;
One front casing coats the first surface of this liquid crystal panel, and exposes this display part;
One rear casing coats this second surface of this liquid crystal panel;
One base is connected with this rear casing hinge type, makes this liquid crystal panel can adjust corresponding to the angle of this base;
One back of the body lid has a flat outer surface, and this back of the body lid covers on this rear casing, and wherein the material of this back of the body lid is a metal.
2. LCD as claimed in claim 1 is characterized in that: also comprise a stationary installation, should carry on the back lid and be fixed in this rear casing.
3. LCD as claimed in claim 2 is characterized in that: wherein this stationary installation comprises a fastening structure, is disposed at the edge of this back of the body lid and the surface of this rear casing correspondence respectively.
4. LCD as claimed in claim 2 is characterized in that: wherein this stationary installation comprises a screw.
5. LCD as claimed in claim 1 is characterized in that: wherein the material of this back of the body lid is selected from a kind of material in the group that is made up of aluminium, aluminium alloy and almag.
6. LCD as claimed in claim 1 is characterized in that: wherein this outside surface of this back of the body lid has a pattern, and this pattern is to print by the mode of offset printing.
7. LCD as claimed in claim 1 is characterized in that: wherein this outside surface of this back of the body lid is for spending the patterned surface of handling through erosion.
8. LCD as claimed in claim 1 is characterized in that: wherein this outside surface of this back of the body lid is the patterned surface through blasting treatment.
9. LCD as claimed in claim 1 is characterized in that: also comprise a transparent sheath, be coated on the outside surface of this back of the body lid.
10. LCD as claimed in claim 9 is characterized in that: wherein the material of this transparent sheath comprises plastics.
11. a LCD back of the body lid is applied to a LCD, this LCD comprises that at least a display unit main body and a support section are connected with this display unit main body, is characterized in that: this LCD back of the body lid comprises:
One plate-like body, its external form is identical with the external form of this display unit main body, and this plate-like body has a flat outer surface, and wherein the material of this plate-like body is a metal;
One sidewall is connected in the periphery of this plate-like body, and with this plate-like body approximate vertical, and be used for being connected with this display unit main body outer rim.
12. LCD back of the body lid as claimed in claim 11, it is characterized in that: wherein this plate-like body and this sidewall are one-body molded.
13. LCD back of the body lid as claimed in claim 11 is characterized in that: also comprise a fastening structure, be configured in the outer rim of this sidewall and this display unit main body correspondence respectively.
14. LCD back of the body lid as claimed in claim 11 is characterized in that: also comprise at least one screw, be suitable for this LCD back of the body lid being fixed on this display unit main body with screw.
15. LCD back of the body lid as claimed in claim 11, it is characterized in that: wherein the material of this plate-like body is a kind of material that is selected from the group that is made up of aluminium, aluminium alloy and almag.
16. LCD back of the body lid as claimed in claim 11, it is characterized in that: wherein this outside surface has a pattern, and this pattern is to print by the mode of offset printing.
17. LCD back of the body lid as claimed in claim 11, it is characterized in that: wherein this outside surface loses the patterned surface that flower is handled for process.
18. LCD back of the body lid as claimed in claim 11, it is characterized in that: wherein this back of the body exterior surface is the patterned surface through blasting treatment.
19. LCD back of the body lid as claimed in claim 11 is characterized in that: also comprise a transparent sheath, be coated on outside surface.
20. LCD back of the body lid as claimed in claim 19, it is characterized in that: wherein the material of this transparent sheath comprises plastics.
21. the manufacture method of a LCD back of the body lid is characterized in that: comprising:
One sheet metal is provided;
Carry out a lithographic step, print a pattern at this metal sheet surface;
Carry out a punching press and take out the type step, this sheet metal is taken out type become LCD back of the body lid.
22. the manufacture method of LCD back of the body lid as claimed in claim 21 is characterized in that: wherein before this lithographic step, also comprise and carry out an epithelium treatment step.
23. the manufacture method of LCD back of the body lid as claimed in claim 22, it is characterized in that: wherein this epithelium treatment step comprises a blasting treatment.
24. the manufacture method of LCD back of the body lid as claimed in claim 22 is characterized in that: wherein this epithelium treatment step comprises an erosion flower processing.
25. the manufacture method of LCD back of the body lid as claimed in claim 21, it is characterized in that: wherein the material of this sheet metal is a kind of material that is selected from the group that is made up of aluminium, aluminium alloy and almag.
26. the manufacture method of LCD back of the body lid as claimed in claim 21 is characterized in that: wherein after this lithographic step, also comprise attaching a diaphragm has this pattern in this sheet metal surface.
27. the manufacture method of LCD back of the body lid as claimed in claim 26, it is characterized in that: wherein the material of this diaphragm comprises polyurethane.
28. the manufacture method of LCD back of the body lid as claimed in claim 21, it is characterized in that: wherein this lithographic step is reached by several print steps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136747 CN1213329C (en) | 2001-10-23 | 2001-10-23 | Liquid crystal display unit and its manufacturing technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01136747 CN1213329C (en) | 2001-10-23 | 2001-10-23 | Liquid crystal display unit and its manufacturing technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1414415A CN1414415A (en) | 2003-04-30 |
| CN1213329C true CN1213329C (en) | 2005-08-03 |
Family
ID=4673880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01136747 Expired - Fee Related CN1213329C (en) | 2001-10-23 | 2001-10-23 | Liquid crystal display unit and its manufacturing technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1213329C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040257490A1 (en) * | 2003-06-17 | 2004-12-23 | Yi-Lun Ho | LCD device having a combined bezel and front housing |
-
2001
- 2001-10-23 CN CN 01136747 patent/CN1213329C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1414415A (en) | 2003-04-30 |
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Granted publication date: 20050803 Termination date: 20161023 |