CN1154489A - Liquid crystal display and electronic appliance equipped with liquid crystal display - Google Patents
Liquid crystal display and electronic appliance equipped with liquid crystal display Download PDFInfo
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- CN1154489A CN1154489A CN 96101240 CN96101240A CN1154489A CN 1154489 A CN1154489 A CN 1154489A CN 96101240 CN96101240 CN 96101240 CN 96101240 A CN96101240 A CN 96101240A CN 1154489 A CN1154489 A CN 1154489A
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- liquid crystal
- polaroid
- crystal indicator
- pair
- crystal display
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Abstract
In an electronic wrist watch, a liquid crystal display device is arranged above a timepiece module having a dial plate and a hand in order that a member located below this liquid crystal display device is visibly confirmed under better condition. When the liquid crystal display device is under transmission condition, the time instant defined by the dial plate and the hand is readable, whereas when the liquid crystal display device displays the data, this data is readable. A polarization plate of the liquid crystal display device is constructed of two sets of polarization plates. One polarization plate located outside the electrode substrate owns high transmittance and a high polarizing factor, whereas the other polarization plate located inside thereof owns high transmittance and a polarizing factor lower than that of the outside polarization plate. Thus, the dial plate and the hand can be easily observed through the liquid crystal display device.
Description
A kind of liquid crystal indicator of relate generally to of the present invention reaches the electronic instrument that disposes such liquid crystal indicator in the perforate of instrument housing.More specifically, the present invention relates to a kind of electronic instrument, show various variety classes information on the liquid crystal indicator of this instrument, the inside of this apparatus casing is visible by this liquid crystal indicator.
Traditionally, combination has the simulation table of analog display elements and liquid crystal indicator to be known as a kind of electronic instrument.The analog display elements of this simulation table is by showing with respect to the index dial rotating pointer constantly.This liquid crystal indicator be configured in the index dial part of this analog display elements or its pointer both one of the top.This liquid crystal indicator shows the out of Memory except that the time, so that should can show that the moment can show out of Memory again by the simulation table.When this liquid crystal indicator is positioned at the top of index dial and pointer, need on this liquid crystal indicator, in the display message, to watch index dial and pointer.Like this, have the defective that easily to observe index dial and pointer from the other parts except that the display part.Therefore, need correctly be reached when visually discerning, need executive mode to select so that liquid scape display device becomes transmissive state when the time of determining by index dial.Consequently, in the liquid crystal indicator of above-mentioned simulation table, can between information display mode and transmission visual means, select the time.
Yet above-mentioned traditional simulation table has such problem, because index dial and pointer are visually discerned by liquid crystal indicator, has reduced brightness, makes index dial and pointer almost can not be observed.On the other hand, if the transmissison characteristic of strengthening liquid crystal indicator can more easily observe index dial and pointer, the contrast of display will be lowered.Like this, just have another problem, that is, when the liquid crystal indicator video data, the content of these data can not easily be read, and is promptly readable relatively poor.These problems also are present in many other electronic instruments usually, also have other element to need visually be confirmed in these instrument except that index dial and pointer.Therefore urgent hope addresses these problems.
The present invention is used for solving the above problems, and therefore, its purpose is to provide a kind of liquid crystal indicator, when observing an optical pickups by this liquid crystal indicator, can easily obtain good visuality.
Another object of the present invention is to provide a kind of electronic instrument that a liquid crystal indicator is housed, and wherein can observe an optical pickups by this liquid crystal indicator under better condition.
To achieve these goals, a kind of liquid crystal indicator that is adopted among the present invention includes: a pair of transparency electrode substrate opposite each other, be formed with show electrode on the inside surface of each electrode base sheet; The liquid crystal material that between described a pair of transparency electrode substrate, encapsulates; Be configured in first polaroid in an electrode base sheet outside of described a pair of transparency electrode substrate, it has the when high polarization factor of high transmission; And be configured in second polaroid in another electrode base sheet outside of described a pair of transparency electrode substrate, and has the polarization factor that high transmission when is lower than described first polaroid.Adopt a kind of like this structure, have an advantage, promptly light can be by transmission easily, even and when observing an object by this liquid crystal indicator, this object also can be by clear and visually see clearly.
, can obtain with reference to being described in detail of accompanying drawing by following to more complete understanding of the present invention, in the accompanying drawing:
Fig. 1 shows a sectional view of the electronic instrument that adopts technical solution of the present invention.
Fig. 2 shows the sectional view of the liquid crystal indicator that is adopted in the electronic instrument of Fig. 1.
Fig. 1 represents to adopt the wrist-watch of an embodiment of inventive arrangements of the present invention.On corresponding to the top of the Wristwatch case 1 of an instrument housing, form a perforate part 2.In this perforate part 2, dispose one time meter module 3 and a liquid crystal indicator 4 that is used for showing by pointer the pointer display device of time is housed.On the upper surface of the perforate part 2 of this Wristwatch case 1, be equipped with and count glass for the moment.And through a waterproof seal 6a one bonnet 6 is housed on the lower surface of perforate part 2, so that Wristwatch case 1 can be sealed tightly.
With respect to these different types of elements that in top, adopted, a point gear 14 is housed on lower cover 8.In response to the electric signal that this electronic circuit certainly sends, this point gear 14 rotates hour hands 15 and minute hands 16.This point gear 14 by stepper motor, spinner, gear mechanism, and a hour hand axle 17 and a minute hand shaft 18 constitute.Hour hand axle 17 and minute hand shaft 18 all pass circuit board 13, loam cake 7, index dial 9, electroluminescence light-emitting device 10, reach Transflective plate 11.Hour hands 15 and minute hand 16 are installed on the marginal portion that passes of hour hand axle 17 and minute hand shaft 18.Under the situation that time meter module 3 is mounted by a ground plate 19, constitute by said elements this time meter module 3 be fixed in the Wristwatch case 1 by means of a screw 20.
Above illustrated electroluminescence light-emitting device 10 are plate shape light-emitting components, it is luminous to be used to respond the electric signal that sends from this electronic circuit.This electroluminescence is sent out and is learned that device 10 is installed in an illuminated switch (not shown) on the Wristwatch case 1 by operation and luminous, and this light illuminates hour hands 15, minute hand 16 and liquid crystal indicator 4 by Transflective plate 11.The Transflective plate 11 that is configured on the upper surface of this electroluminescence light-emitting device 10 has the function of reflecting plate.And these Transflective plate 11 reflections so that the information that is presented on the liquid crystal indicator 4 can be in sight, or become visible by liquid crystal indicator 4 incidents light thereon.When this electroluminescence light-emitting device 10 is luminous, this light of Transflective plate 11 transmissions, this light is spread simultaneously.Because this Transflective plate 11 is configured in the below of liquid crystal indicator 4, can be thrown light on equably in the whole bottom of this liquid-crystal display section 4.
Above-mentioned liquid crystal indicator 4 places the top of the perforate part 2 in the Wristwatch case 1.Fig. 2 illustrates the structure of this liquid crystal indicator 4 briefly.First electrode base sheet of being made by clear glass 41 on the top of liquid crystal indicator 4 is connected with second electrode base sheet of being made by materials similar and be positioned at the bottom of this liquid crystal indicator 4 42 by means of a seal element 43.By this first and second electrode base sheet 41 and 42 and sealing element 43 determined inner spaces in insert liquid crystal material 44.On the inside surface of this first and second electrode base sheet 41 that is mounted relative to one another and 42, be formed with electrode 45 and 46.Under by the situation of closed assembly, first polaroid 47 and second polaroid 48 are connected to each other on the outside surface of first and second electrode base sheet 41 and 42.The polarization axle of first polaroid 47 is perpendicular to the polarization axle of second polaroid 48.In this example, the width of first electrode base sheet 41 is done widelyer than the width of second electrode base sheet 42, and compares with the peripheral part of second electrode base sheet, and the peripheral part of the first electroplax substrate 41 stretches out.On the lower surface of the marginal portion of this extension, form a portion of terminal 49.As shown in Figure 1, this portion of terminal 49 links to each other with a internal connector 21 in being configured in Wristwatch case 1, so that be transfused to show various information from the shows signal of the electronic circuit of circuit board 13.
As mentioned above, such liquid crystal indicator 4 is configured in the perforate part 2 of Wristwatch case 1 in such a way: first polaroid 47 is upwards installed, promptly be installed on the side of watch glass 5, and second polarization plates 48 is installed downwards, promptly is installed on the side of Transflective plate 11.Because the top of meter module 3 when this liquid crystal indicator 4 is configured in, the out of Memory except that temporal information is visually shown.When operation was installed in a mode selector switch (end is shown specifically) on the Wristwatch case 1, mode was selected, so that liquid crystal indicator 4 enters non-show state, and therefore, the moment on the index dial 9 is visually seen clearly by this liquid crystal indicator 4.In other words, the electronic circuit of circuit board 13 provides a device that is used to stop to provide shows signal.
In the liquid crystal indicator 4 that has such structure, adopted have high transmission when the polaroid of high polarization factor have high transmission and when be lower than another polaroid of polarization factor of first polaroid 47 and use as first polaroid 47 that is positioned on time meter glass 5 one sides as second polaroid 48 that is positioned on index dial 9 one sides.That is: because first and second polaroid 47 and 48 all has high transmittance, when light when its transmission, absorb and the light quantity of scattering is reduced and the light quantity of transmission increases by liquid crystal indicator 4.As a result, enter at liquid crystal indicator under the situation of pellucidity, can visually be seen clearly by the moment that hour hands 15 and minute hand 16 determined, hour hands 15 and minute hand 16 can be seen brightly by liquid crystal indicator 4, and can easily obtain the visual confirmation to the time.On the other hand, because first polaroid 47 on time meter glass one side has the higher polarization factor of second polaroid 48 that is positioned on the downside, when by liquid crystal indicator 4 display message, this information can be used as a gem-pure picture and is visually seen clearly.Therefore, can stablize and and then can easily read this information.
Can obtain the experimental results of following optical characteristics about first polaroid 47 and second polaroid.Specifically, as first polaroid 47 with above-mentioned characteristic, a such polaroid is used: the parallel transmittance of single transmittance, 39-40%, and about 95% degree of polarization with 46-47%.As second polaroid 48.Polaroid is used so one by one: parallel transmittance, and the degree of polarization of 83-84% with single transmittance, 39-40% of 48-49%.
Should be noted that when adopting the single transmittance have more than or equal to 45%, parallel transmittance, and another polaroid of about 93% degree of polarization during, can obtain better result as first polaroid 47 more than or equal to 38%.And,, can obtain better result when employing has single transmittance more than or equal to 45%, the parallel transmittance more than or equal to 38%, and another polaroid of 80 to 90% degree of polarization during as second polaroid 48.
Although be described in detail embodiments of the invention with reference to preferred embodiment.But the narration that should understand the front only is some examples and is not to constitute in limiting sense.For example, can not dispose electroluminescence light-emitting device and Transflective plate.Replacedly, the Transflective plate can be made of a simple reflecting plate.And inventive arrangements of the present invention not only can be applied to above-mentioned electronic instrument, and can be applied to for example other electronic installation such as electronic memo and electronics hour hands.For example: being configured in housing element inboard and that visually confirmed through liquid crystal indicator is not pointer, and can be for example to be the inner member of a shape shown and doll.
Just as explained in detail above, because in the electronic instrument that liquid crystal indicator is housed according to the present invention, the polaroid of this liquid crystal indicator has high transmittance, it is big that the light quantity of transmission becomes, therefore, can under better situation, visually confirm to be positioned at various elements below the liquid crystal indicator.And,, can better easily see image shown on the liquid crystal indicator under the situation because the polarization factor of polaroid is big.
Claims (9)
1, a kind of liquid crystal indicator comprises:
A pair of transparency electrode substrate opposite each other is formed with show electrode on the inside surface of each described electrode base sheet;
Be sealed in the liquid crystal material between the described a pair of transparency electrode substrate;
Car is put first polaroid in an electrode base sheet outside of described a pair of transparency electrode substrate; And have high transmittance and high polarization factor; And
Be configured in second polaroid in another electrode base sheet outside of described a pair of transparency electrode substrate, the polarization factor that it has high transmittance and is lower than described first polaroid.
2, a kind of liquid crystal indicator as claimed in claim 1.Wherein:
The transmittance of described first polaroid (47) be selected as being greater than or equal to 45% and its polarization factor be selected as 91% to 95%.The transmittance of two described second polaroids (48) be selected as being greater than or equal to 45% and polarization factor be selected as 80% to 90%.
3, a kind of electronic instrument comprises:
One instrument housing is formed with a perforate part in this housing;
Be configured in a transmissive liquid crystal display device of the perforate part of described instrument housing, described transmissive liquid crystal display device is by a pair of transparency electrode substrate opposite each other, the show electrode that on the inside surface of each described electrode base sheet, forms, be sealed in the liquid crystal material between the described a pair of transparency electrode substrate, be configured in electrode base sheet outside of described a pair of transparency electrode substrate and have first polaroid of high transmittance and high polarization factor and be configured in another electrode base sheet outside of described a pair of transparency electrode substrate and second polaroid that has high transmittance and be lower than the polarization factor of described first polaroid constitutes; And
Be configured in the electronic-circuit device in the described instrument housing, be used to provide shows signal to described liquid crystal indicator.
4, the electronic instrument that a liquid crystal indicator is housed as claimed in claim 3 is characterized in that:
The transmittance of described first polaroid be selected as being greater than or equal to 45% and its polarization factor be selected as 91% to 95%, and the transmittance of described second polaroid is selected as being higher than or equal 45% and its polarization factor be selected as 80% to 90%.
5, a kind of electronic instrument comprises:
One instrument housing is formed with a perforate part in this housing;
Be configured in a transmissive liquid crystal display device of the perforate part of described instrument housing, described transmissive liquid crystal display device is by a pair of transparency electrode substrate opposite each other, the show electrode that on the inside surface of each described electrode base sheet, forms, be sealed in the liquid crystal material between the described a pair of transparency electrode substrate, be configured in electrode base sheet outside of described a pair of transparency electrode substrate and have first polaroid of high transmittance and high polarization factor and be configured in another electrode base sheet outside of described a pair of transparency electrode substrate and second polaroid that has high transmittance and be lower than the polarization factor of described first polaroid constitutes;
Be configured in the pointer display device in the described instrument housing, be used for showing the time by pointer; And
Be configured in the electronic-circuit device in the described instrument housing, be used to provide shows signal to described liquid crystal indicator.
6, the electronic instrument that a liquid crystal indicator is housed as claimed in claim 5 also comprises:
Be used for stopping to provide the device of shows signal by described electronic-circuit device.
7, the electronic instrument that a liquid crystal indicator is housed as claimed in claim 5, wherein:
Described pointer display device comprises that one divides the index dial of relative configuration with described aperture portion; And hour hands that are used on described index dial showing the time.
8, the electronic instrument that a liquid crystal indicator is housed as claimed in claim 6, wherein:
Described index dial comprises a plate shape Transflective plate; With a plate shape light-emitting component that is configured on the lower surface of described Transflective plate.
9, the electronic instrument that a liquid crystal indicator is housed as claimed in claim 5,
Described instrument housing has one makes it can be fixed on size and dimension on the human body wrist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96101240 CN1154489A (en) | 1995-01-30 | 1996-01-30 | Liquid crystal display and electronic appliance equipped with liquid crystal display |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12932/1995 | 1995-01-30 | ||
| CN 96101240 CN1154489A (en) | 1995-01-30 | 1996-01-30 | Liquid crystal display and electronic appliance equipped with liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1154489A true CN1154489A (en) | 1997-07-16 |
Family
ID=5117026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96101240 Pending CN1154489A (en) | 1995-01-30 | 1996-01-30 | Liquid crystal display and electronic appliance equipped with liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1154489A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040258C (en) * | 1992-08-18 | 1998-10-14 | 卡西欧计算机公司 | Electronic devices with a liquid crystal display |
| CN105737873A (en) * | 2014-12-30 | 2016-07-06 | 大陆汽车系统公司 | Gauge With Multiple Color Pointer Tip |
| CN106814503A (en) * | 2015-11-30 | 2017-06-09 | 乐金显示有限公司 | Irregular shape display device with hole |
-
1996
- 1996-01-30 CN CN 96101240 patent/CN1154489A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040258C (en) * | 1992-08-18 | 1998-10-14 | 卡西欧计算机公司 | Electronic devices with a liquid crystal display |
| CN105737873A (en) * | 2014-12-30 | 2016-07-06 | 大陆汽车系统公司 | Gauge With Multiple Color Pointer Tip |
| CN105737873B (en) * | 2014-12-30 | 2018-11-16 | 大陆汽车系统公司 | Gauge with more color pointers tip |
| CN106814503A (en) * | 2015-11-30 | 2017-06-09 | 乐金显示有限公司 | Irregular shape display device with hole |
| CN106814503B (en) * | 2015-11-30 | 2021-01-22 | 乐金显示有限公司 | Display device |
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